42.8x0.09十0.1x4.28_的简便运算练习题六年级请帮我

[数学]四年级运算定律与简便计算练习题大全运算定律与简便计算 (一)加减法运算定..
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[数学]四年级运算定律与简便计算练习题大全
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3秒自动关闭窗口简便运算(巧算) 12.5×80.8 0.98×4.5 9.9×9.9+0.99 150÷1.25简便运算(巧算)12.5×80.80.98×4.59.9×9.9+0.9解方程(要有计算过程)4×0.2+x÷2=11.42÷x-6+8.8=10.83÷(9x-60-2x)=0.320+8(4-x)=x+4_百度作业帮
简便运算(巧算) 12.5×80.8 0.98×4.5 9.9×9.9+0.99 150÷1.25简便运算(巧算)12.5×80.80.98×4.59.9×9.9+0.9解方程(要有计算过程)4×0.2+x÷2=11.42÷x-6+8.8=10.83÷(9x-60-2x)=0.320+8(4-x)=x+4
简便运算(巧算) 12.5×80.8 0.98×4.5 9.9×9.9+0.99 150÷1.25简便运算(巧算)12.5×80.80.98×4.59.9×9.9+0.99150÷1.25解方程(要有计算过程)4×0.2+x÷2=11.42÷x-6+8.8=10.83÷(9x-60-2x)=0.320+8(4-x)=2047x-6=7x+4
1、原式=12.5*80+0.8*12.5=0原式=4.5-0.02*4.5=4.5-0.09=4.41原式=9.9*9.9+9.9*0.1=9.9*(9.9+0.1)=9.9*10=99原式=150/(5/4)=150*4/5=150/5*4=30*4=1202、8*0.2+x=22.8 x=21.22/x=10.8-8.8+6 2/x=8 x=49x-60-2x=3/0.3 7x=10+60 x=108(4-x)=20-20 8(4-x)=0 4-x=0 x=447x-7x=4+6 40x=10 x=0.4就帮我把下面这些题移项就行了~]1.3-x=x+42.7x+7=6x-93.3x+3=4x-44.8x-4=3x+6-125.5x-5=10-x-26.8x-4=15x+37.21x-294=63x-148.2x-15+10x=19.4x+2-5x+1=610.2x+14=28-14x_百度作业帮
就帮我把下面这些题移项就行了~]1.3-x=x+42.7x+7=6x-93.3x+3=4x-44.8x-4=3x+6-125.5x-5=10-x-26.8x-4=15x+37.21x-294=63x-148.2x-15+10x=19.4x+2-5x+1=610.2x+14=28-14x
就帮我把下面这些题移项就行了~]1.3-x=x+42.7x+7=6x-93.3x+3=4x-44.8x-4=3x+6-125.5x-5=10-x-26.8x-4=15x+37.21x-294=63x-148.2x-15+10x=19.4x+2-5x+1=610.2x+14=28-14x
1.2x=-12.x=-163.x=74.5x=-25.6x=137.42x=-2808.12x=169.x=-310.16x=14四年级下要150道简便运算的递等式计算题_百度知道
四年级下要150道简便运算的递等式计算题
我只有不简便的(45-17)+(9-3)=28+6=34,(45-17)+(9-6)=28+3=31, (45-18)+(9-3)=27+6=33 (45-18)+(9-6)=27+3=30, (45-27)+(9-3)=18+6=24, (45-27)+(9-6)=18+3=21 (45-28)+(9-3)=17+6=23, (45-28)+(9-6)=17+3=20, (46-17)+(8-3)=29+5=34 (46-17)+(8-5)=29+3=32, (46-19)+(8-3)=27+5=32, (46-19)+(8-5)=27+3=30 (46-27)+(8-3)=19+5=24, (46-27)+(8-5)=19+3=22, (46-29)+(8-3)=17+5=22 (46-29)+(8-5)=17+3=20, (54-16)+(9-2)=38+7=45, (54-16)+(9-7)=38+2=40 (54-18)+(9-2)=36+7=43, (54-18)+(9-7)=36+2=38, (54-36)+(9-2)=18+7=25 (54-36)+(9-7)=18+2=20, (54-38)+(9-2)=16+7=23, (54-38)+(9-7)=16+2=18 (57-18)+(6-2)=39+4=43, (57-18)+(6-4)=39+2=41, (57-19)+(6-2)=38+4=42 (57-19)+(6-4)=38+2=40, (57-38)+(6-2)=19+4=23, (57-38)+(6-4)=19+2=21 (57-39)+(6-2)=18+4=22, (57-39)+(6-4)=18+2=20, (63-15)+(9-2)=48+7=55 (63-15)+(9-7)=48+2=50, (63-18)+(9-2)=45+7=52, (63-18)+(9-7)=45+2=47 (63-45)+(9-2)=18+7=25, (63-45)+(9-7)=18+2=20, (63-48)+(9-2)=15+7=22 (63-48)+(9-7)=15+2=17, (64-25)+(8-1)=39+7=46, (64-25)+(8-7)=39+1=40 (64-29)+(8-1)=35+7=42, (64-29)+(8-7)=35+1=36, (64-35)+(8-1)=29+7=36 (64-35)+(8-7)=29+1=30, (64-39)+(8-1)=25+7=32, (64-39)+(8-7)=25+1=26 (67-18)+(5-2)=49+3=52, (67-18)+(5-3)=49+2=51, (67-19)+(5-2)=48+3=51 (67-19)+(5-3)=48+2=50, (67-28)+(5-1)=39+4=43, (67-28)+(5-4)=39+1=40 (67-29)+(5-1)=38+4=42, (67-29)+(5-4)=38+1=39, (67-38)+(5-1)=29+4=33 (67-38)+(5-4)=29+1=30, (67-39)+(5-1)=28+4=32, (67-39)+(5-4)=28+1=29 (67-48)+(5-2)=19+3=22, (67-48)+(5-3)=19+2=21, (67-49)+(5-2)=18+3=21 (67-49)+(5-3)=18+2=20, (72-14)+(9-3)=58+6=64, (72-14)+(9-6)=58+3=61 (72-18)+(9-3)=54+6=60, (72-18)+(9-6)=54+3=57, (72-54)+(9-3)=18+6=24 (72-54)+(9-6)=18+3=21, (72-58)+(9-3)=14+6=20, (72-58)+(9-6)=14+3=17 (73-14)+(8-2)=59+6=65, (73-14)+(8-6)=59+2=61, (73-19)+(8-2)=54+6=60 (73-19)+(8-6)=54+2=56, (73-54)+(8-2)=19+6=25, (73-54)+(8-6)=19+2=21 (73-59)+(8-2)=14+6=20, (73-59)+(8-6)=14+2=16, (81-24)+(9-3)=57+6=63 (81-24)+(9-6)=57+3=60, (81-27)+(9-3)=54+6=60, (81-27)+(9-6)=54+3=57 (81-35)+(9-2)=46+7=53, (81-35)+(9-7)=46+2=48, (81-36)+(9-2)=45+7=52 (81-36)+(9-7)=45+2=47, (81-45)+(9-2)=36+7=43, (81-45)+(9-7)=36+2=38 (81-46)+(9-2)=35+7=42, (81-46)+(9-7)=35+2=37, (81-54)+(9-3)=27+6=33 (81-54)+(9-6)=27+3=30, (81-57)+(9-3)=24+6=30, (81-57)+(9-6)=24+3=27 (83-14)+(7-2)=69+5=74, (83-14)+(7-5)=69+2=71, (83-19)+(7-2)=64+5=69 (83-19)+(7-5)=64+2=66, (83-24)+(7-1)=59+6=65, (83-24)+(7-6)=59+1=60 (83-29)+(7-1)=54+6=60, (83-29)+(7-6)=54+1=55, (83-54)+(7-1)=29+6=35 (83-54)+(7-6)=29+1=30, (83-59)+(7-1)=24+6=30, (83-59)+(7-6)=24+1=25 (83-64)+(7-2)=19+5=24, (83-64)+(7-5)=19+2=21, (83-69)+(7-2)=14+5=19 (83-69)+(7-5)=14+2=16, (86-27)+(4-1)=59+3=62, (86-27)+(4-3)=59+1=60 (86-29)+(4-1)=57+3=60, (86-29)+(4-3)=57+1=58, (86-57)+(4-1)=29+3=32 (86-57)+(4-3)=29+1=30, (86-59)+(4-1)=27+3=30, (86-59)+(4-3)=27+1=28 (91-24)+(8-3)=67+5=72, (91-24)+(8-5)=67+3=70, (91-27)+(8-3)=64+5=69 (91-27)+(8-5)=64+3=67, (91-34)+(8-2)=57+6=63, (91-34)+(8-6)=57+2=59 (91-37)+(8-2)=54+6=60, (91-37)+(8-6)=54+2=56, (91-54)+(8-2)=37+6=43 (91-54)+(8-6)=37+2=39, (91-57)+(8-2)=34+6=40, (91-57)+(8-6)=34+2=36 (91-64)+(8-3)=27+5=32, (91-64)+(8-5)=27+3=30, (91-67)+(8-3)=24+5=29 (91-67)+(8-5)=24+3=27, (92-34)+(7-1)=58+6=64, (92-34)+(7-6)=58+1=59 (92-38)+(7-1)=54+6=60, (92-38)+(7-6)=54+1=55, (92-54)+(7-1)=38+6=44 (92-54)+(7-6)=38+1=39, (92-58)+(7-1)=34+6=40, (92-58)+(7-6)=34+1=35 (93-15)+(6-2)=78+4=82, (93-15)+(6-4)=78+2=80, (93-18)+(6-2)=75+4=79 (93-18)+(6-4)=75+2=77, (93-75)+(6-2)=18+4=22, (93-75)+(6-4)=18+2=20 (93-78)+(6-2)=15+4=19, (93-78)+(6-4)=15+2=17, (94-16)+(5-2)=78+3=81 (94-16)+(5-3)=78+2=80, (94-18)+(5-2)=76+3=79, (94-18)+(5-3)=76+2=78 (94-76)+(5-2)=18+3=21, (94-76)+(5-3)=18+2=20, (94-78)+(5-2)=16+3=19 (94-78)+(5-3)=16+2=18, (95-27)+(4-1)=68+3=71, (95-27)+(4-3)=68+1=69 (95-28)+(4-1)=67+3=70, (95-28)+(4-3)=67+1=68, (95-67)+(4-1)=28+3=31 (95-67)+(4-3)=28+1=29, (95-68)+(4-1)=27+3=30, (95-68)+(4-3)=27+1=28 1. 25+300÷52.
(25+300)÷53.
25+75÷5+754.
200-(35+48÷24)5.
(72+32×4)÷406.
45+55-45+557.
2-2×0+28.
10-10÷10×109.(75+25÷5)-4010.
+8011. +8012. (380-80×4)÷6013. 20-16÷4+3×214.(20-16)÷4+3×215.()÷60-4016.()÷(60-40)17. 448×26+118. 3600-(58+1872÷24)19. 48230÷(150+37×16)20. 1000÷(850-25×26)+4421.()×4322.(905+985)÷(203-168)23.
24×36-3213÷924.(378-158)÷(38+72)25.
726+824÷8-40926.
120×3÷527.
120÷3÷528.
78x101-17829.
178x101-1730.
178x101-7831. 3 × 49 - 4 32. 8 × 156 + 17 33. 12× 5 – 9 ×3 34. 8× 4 + 4 35. 6÷ 38 – 38 ÷6 36. 47 × 59 + 37 × 9 37. 52 -( 32 + 45 ) 38. 78 + ( 1/8 + 1/9 ) 39. 9 × 56 + 56 40. 34 × 89 - 13 41. 7 × 549 + 34 42. 6 ×( 12 + 3 ) 43. 8 × 5 + 8 × 115 44. 31 × 56 – 56 45. 97 - ( 27 – 1021 ) 46. 59 × 18 – 14 × 27 47. 45 × 2516 + 23 × 34 48. 14 × 87 – 56 × 125 49. 1732 – 34 × 94 50. 3 × 29 + 13 51. 57 × 325 + 37 52. 314 × 23 + 16 53. 15 × 23 + 56 54. 922 + 111 ÷ 12 55. 53 × 115 + 43 56. 45 × 23 + 13 × 15 57. 79 + 129 × 56 58. 14 + 34 ÷ 23 59. 7 × 2116 + 12 60. 101 × 15 – 15 × 21 61.50+(58+370)×(64-45) 62.120-148+35 63.347+45×2-4160 64(58+37)×(64-9×5) 65.95×(64-45) 66.178-145+42 420+580-64×21 67.812-9+31×11
68.85+14×(14+208) 69.(284+16)×(512-8208) 70.120-36×4+35 71.(58+37)×(64-9×5) 72.(68-68×55)÷85 73.12× 12×48 74.32×15+25 75.6-+785-37= 76.72÷8-12×577.65×(48-12×4) 78.15- 79.58×(37-13)+42×374 80.352-(6+9)×25 81. 8+3×782. 9×2+4×383. 6×(50-46)84.
3+3-585. 63-9×6 86. (48+32)+587.
74+105×388.
74+100×388.
65-6×4÷289. 38+56÷7×390.(440-280)×(300—260)91.(59+21)×(96÷8)92.(220-100)+(15×2)93. 700-8×5×4 94. (275-35)+(17+43)95
.480+(96-16+6) 96.(15×40—360)×697.
14+16×4-50 98. 74+(96÷6-8)99. 72-45+121÷11 100. 20÷18×(806-799) 101. 75÷25+300÷5102.
(85÷5+300)÷5103.
25+7÷25+75104.
20-(5+48÷24)105.
(7+2×4)÷40106.
555-45+55107.
2-20+2108.
10-110×10109.(5+25÷5)-40110.
200÷25×4+80111. 280÷25×4+80112. (30-8×4)÷60113. 2-16+3×2114.(20-6)÷4+32115.(52-150)÷6-40116.(120-50)÷(60-40)117. 48×26+173 + 297118. 360-(58+1872-24)119. 230×(150+37×16)120. 100÷(850-25×6)+44121.()×43122.(95+98)×(203-168)123.
124×36-3213÷9124.(378-158)×(38+72)125.
26+824÷8-409126.
12×3÷5127.
12÷3÷5128.
8x101-178129.
178x11-17130.
17x101-78131. 3 × 4 - 4 132. 8 × 16 + 1133. 12× 5 –
3 134. 8× 4 + 4 135. 38 – 38 ÷2 136. 47 × 59 + 7 × 9 137. 2 -( 32 + 45 ) 138. 8 + ( 8 + 9 ) 139. 9 × 6 + 56 140. 3 × 89 - 13 141. 7 × 59 + 34 142. 6 ×( 1 + 3 ) 143. 8 + 8 × 115 144. 31 × 6 – 56 145. 97 - ( 27 – 102) 146. 9 × 18 – 1 × 27 147. 45 × 26 + 23 × 34 148. 14 × 87 – 6 × 125 149. 17 – 34 × 94 150. 3 × 9 + 13 151. 57 × 32 + 37 152. 3 × 23 + 16 153. 15 × 3 + 56 154. 92 + 144 ÷ 12 155. 3 × 115 + 43 156. 5 × 23 + 13 × 15 157. 7+ 129 × 56 158. 14 + 3 +
23 159. 7 × 21 + 12 160. 10 × 15 – 15 × 21 161.50+(58+37)×(64-45) 162.20-148+35 163. 45×2-4160 164(58+37)×65 165. 95×(1-45) 166. 8-145+420+580-64×21 167. 81-9+31×11
168. 85+14×(14+28) 169.(28+16)×(512-8208) 170.12-36×4+35 171.(5+37)×(64-9×5) 172. (618-68×55)÷85 173. 112× 12×48 174.
2×15+25 175. 16-+785-37 176. 72-12×5 177. 65×(8-12×4)178. 15-107×4-7 179. 5×(37-13)+42×374 180. 52-(6+9)×25 181. 8+90×7182. 19×2+4×3183. 16×(50-46)184.
31+3-5185. 3-9×6 186. (4+32)+5187.
74+15×3188.
7+100×3189.
65-6×4÷2190.(44 -280)×(300—260)191.(591+21)×(96÷8)192.(20-100)+(15×2)193. 70-8×5×4 194. (75-35)+(17+43)195
. 40+(96-16+6) 196.(15×4—360)×6197.
14+6×4-50 198. 74+(6÷6-8)199. 2-45+121÷11 200. 218×(806-799)201. 75÷5+300÷5202.
(15÷5+300)÷5203.
2+7÷25+75204.
09-(5+48÷24)205.
(17+2×4)÷40206.
55-45+55207.
92-20+2208.
10-10×10209.(5+5÷5)-40210.
20÷25×4+80211. 20÷25×4+80212. (30-8×4)÷6213. 2-6+3×2214.(2-6)÷4+32215.(2-150)÷6-40216.(20-50)÷(60-40)217. 4×26+173 + 297218. 36-(58+1872-24)219. 20×(150+37×16)220. 10÷(850-25×6)+44221.(744÷2+98)×43222.(9+98)×(203-168)223.
14×36-3213÷9224.(38-158)×(38+72)225.
26+84÷8-409226.
1×3÷5227.
2÷3÷5228.
8x11-178229.
17x11-17230.
17x11-78231. 3 × 40 - 4 232. 8 × 9 + 1233. 12× 95 –
3 234. 8× 94 + 4 235. 3 – 38 ÷2 236. 7 × 59 + 7 × 9 237. 2 -( 3 + 45 ) 238. 8 + ( 98 + 9 ) 239. 9 × 6 + 6 240. 3 × 8 - 13 241. 7 × 9 + 34 242. 6 ×( 1 + 3 ) 243. 8 + 8 × 15 244. 31 × 6 – 6 245. 97 - ( 2 – 102) 246. 9 × 19 – 1 × 27 247. 45 × 6 + 23 × 34 248. 14 × 7 – 6 × 125 249. 17 – 4 × 94 250. 3 × 89 + 13 251. 57 × 2 + 37 252. 3 × 3 + 16 253. 85 × 3 + 56 254. 2 + 144 ÷ 12 255. 3 × 11 + 43 256. 5 × 2 + 13 × 15 257. 7+ 19 × 56 258. 14 + 39 +
23 259. 7 × 2 + 12 260. 10 × 5 – 15 × 21 261.50+(8+37)×(64-45) 262.20-14+35 263. 45×2-460 264(58+3)×65 265. 95×(10-45) 266. 8-145+40+50-64×21 267. 81-9+31×91
268. 85+14×(4+28) 269.(28+16)×(512-808) 270.12-36×4+3 271.(5+3)×(64-9×5) 272. (668×55)÷85 273. 12× 12×48 274.
2×105+25 275. 16-+75-37 276. 72-12×5 277. 65×(8-12×4)278. 15-107×4-7 279. 5×(37-13)+2×374 280. 2-(6+9)×25 281. 18+90×7282. 109×2+4×3283. 160×(50-46)284.
351+3-5285. 3-9×106 286. (4+30)+5287.
74+19×3288.
7+10×3289.
5-6×4÷2290.(4 -280)×(300—260)291.(91+21)×(96÷8)292.(90-100)+(15×2)293. 90-8×5×4 294. (5-35)+(17+43)295
. 4+(96-16+6) 296.(19×4—360)×6297.
1+6×4-50 298. 7+(6÷6-8)299. 2-4+121÷11 300. 21×(806-799
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500+(407+0)=
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出门在外也不愁四年级的四则运算题帮我出十道四则运算题小学4年级下册的,为的是放学回来,好让孩子多分析这做题_百度作业帮
四年级的四则运算题帮我出十道四则运算题小学4年级下册的,为的是放学回来,好让孩子多分析这做题
四年级的四则运算题帮我出十道四则运算题小学4年级下册的,为的是放学回来,好让孩子多分析这做题
÷1÷124 = 124÷4 = 5×20%÷5×20%= 124 -102 = 5 = 0.375×0.625= × =12x- x=451 50%x-1.2×12 =1.6 ( .1 )×2 ÷3 1÷(128-12 )×17.2 12.78-0÷( 13.4+156.6 ) 12457÷〔 14578-( 145+248 )×13.4 16/29*12+17/29*16936/24+15*31(976-698)*8+7125 -15 -80 = 10 -80 = -70 26 -6 -64 = 20 -64 = -44 27 + 3 -48 = 30 -48 = -18 28 + 12 -32 = 40 -32 = 8 29 + 21 -16 = 50 -16 = 34 30 + 30 + 0 = 60 + 0 = 60 31 + 39 + 16 = 70 + 16 = 86 32 + 48 + 32 = 80 + 32 = 112 33 + 57 + 48 = 90 + 48 = 138 34 + 66 + 64 = 100 + 64 = 164 35 + 75 + 80 = 110 + 80 = 190 36 + 84 + 96 = 120 + 96 = 216 37 + 93 + 112 = 130 + 112 = 242 38 + 102 + 128 = 140 + 128 = 268 39 + 111 + 144 = 150 + 144 = 294 40 -30 -140 = 10 -140 = -130 41 -21 -124 = 20 -124 = -104 42 -12 -108 = 30 -108 = -78 43 -3 -92 = 40 -92 = -52 44 + 6 -76 = 50 -76 = -26 45 + 15 -60 = 60 -60 = 0 46 + 24 -44 = 70 -44 = 26 47 + 33 -28 = 80 -28 = 52 48 + 42 -12 = 90 -12 = 78 49 + 51 + 4 = 100 + 4 = 104 50 + 60 + 20 = 110 + 20 = 130 51 + 69 + 36 = 120 + 36 = 156 52 + 78 + 52 = 130 + 52 = 182 53 + 87 + 68 = 140 + 68 = 208 54 + 96 + 84 = 150 + 84 = 234 55 -45 -200 = 10 -200 = -190 56 -36 -184 = 20 -184 = -164 57 -27 -168 = 30 -168 = -138 58 -18 -152 = 40 -152 = -112 59 -9 -136 = 50 -136 = -86 60 + 0 -120 = 60 -120 = -60 61 + 9 -104 = 70 -104 = -34 62 + 18 -88 = 80 -88 = -8 63 + 27 -72 = 90 -72 = 18 64 + 36 -56 = 100 -56 = 44 65 + 45 -40 = 110 -40 = 70 66 + 54 -24 = 120 -24 = 96 67 + 63 -8 = 130 -8 = 122 68 + 72 + 8 = 140 + 8 = 148 69 + 81 + 24 = 150 + 24 = 174 70 -60 -260 = 10 -260 = -250 71 -51 -244 = 20 -244 = -224 72 -42 -228 = 30 -228 = -198 73 -33 -212 = 40 -212 = -172 74 -24 -196 = 50 -196 = -14623+46+77=,45+45+55=,83+34+17=,33+22+45=,12+29+71= 11+67+32=,63+23+78=,56+36+43=,50+43+67=,87+39+23= 13+28+49=,55+78+30=,20+30+48=,56+67+30=,23+46+50= 16+22+30=,34+59+23=,45+33+50=,23+49+37=,20+30+48= 12+30+38=,69+20+38=,45+49+28=,39+72+92=,92+39+21= 49+29+36=,20+38+44=,22+39+29=,29+45+11=,89+29+22= 39+28+92=,10+91+20=,33+29+30=,54+92+96=,92+73+55= 12+10+93=,99+33+43=,97+38+54=,88+55+32=,96+78+34= 20+34+29=,96+34+45=,66+38+82=,76+29+92=,83+55+20= 10+26+28=,89+30+28=,78+21+78=,89+45+20=,11+34+20= 25 -15 -80 = 10 -80 = -70 26 -6 -64 = 20 -64 = -44 27 + 3 -48 = 30 -48 = -18 28 + 12 -32 = 40 -32 = 8 29 + 21 -16 = 50 -16 = 34 30 + 30 + 0 = 60 + 0 = 60 31 + 39 + 16 = 70 + 16 = 86 32 + 48 + 32 = 80 + 32 = 112 33 + 57 + 48 = 90 + 48 = 138 34 + 66 + 64 = 100 + 64 = 164 35 + 75 + 80 = 110 + 80 = 190 36 + 84 + 96 = 120 + 96 = 216 37 + 93 + 112 = 130 + 112 = 242 38 + 102 + 128 = 140 + 128 = 268 39 + 111 + 144 = 150 + 144 = 294 40 -30 -140 = 10 -140 = -130 41 -21 -124 = 20 -124 = -104 42 -12 -108 = 30 -108 = -78 43 -3 -92 = 40 -92 = -52 44 + 6 -76 = 50 -76 = -26 45 + 15 -60 = 60 -60 = 0 46 + 24 -44 = 70 -44 = 26 47 + 33 -28 = 80 -28 = 52 48 + 42 -12 = 90 -12 = 78 49 + 51 + 4 = 100 + 4 = 104 50 + 60 + 20 = 110 + 20 = 130 51 + 69 + 36 = 120 + 36 = 156 52 + 78 + 52 = 130 + 52 = 182 53 + 87 + 68 = 140 + 68 = 208 54 + 96 + 84 = 150 + 84 = 234 55 -45 -200 = 10 -200 = -190 56 -36 -184 = 20 -184 = -164 57 -27 -168 = 30 -168 = -138 58 -18 -152 = 40 -152 = -112 59 -9 -136 = 50 -136 = -86 60 + 0 -120 = 60 -120 = -60 61 + 9 -104 = 70 -104 = -34 62 + 18 -88 = 80 -88 = -8 63 + 27 -72 = 90 -72 = 18 64 + 36 -56 = 100 -56 = 44 65 + 45 -40 = 110 -40 = 70 66 + 54 -24 = 120 -24 = 96 67 + 63 -8 = 130 -8 = 122 68 + 72 + 8 = 140 + 8 = 148 69 + 81 + 24 = 150 + 24 = 174 70 -60 -260 = 10 -260 = -250 71 -51 -244 = 20 -244 = -224 72 -42 -228 = 30 -228 = -198 73 -33 -212 = 40 -212 = -172 74 -24 -196 = 50 -196 = -146 ①35+26-18 ①59-37+36 ①93-58+37 ①67-39+24 19+33+47 62-48+54 68-29-15 55+28-46 70-26-37 88-39+61 100-45-27 30-16+64 56+42-75 22+38-47 57+36-49 99-38-48 96-27-34 25+39+27 66-57+43 50-42+69 85-37-48 92-24-19 90-36-27 84-39-17 29+57+14 81-24-37 34+45-68 65-49+36 32+48-58 64+8-54 67-39+24 54+36-28 75-36-27 80-56+14 24+63-58 60-34+46 66-58+49 34+58-47 64-36+48 81-34-29

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