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【五年级数学脱式计算题】五年级上脱式计算题有答案急!带过程

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解决时间 2021-02-15 08:37
  • 提问者网友:那叫心脏的地方装的都是你
  • 2021-02-14 13:28
【五年级数学脱式计算题】五年级上脱式计算题有答案急!带过程
最佳答案
  • 五星知识达人网友:神鬼未生
  • 2021-02-14 13:44
【答案】 408-12×24 = 408 - 288 = 120
  (46+28)×60 = 74 x 60 = 4440
  42×50-17 = 2100- 17 = 2083
  32+105÷5 = 32 + 21 = 53
  420×(327-238) = 420 x 89 = 37380
  (4121+2389)÷7 = 6510 ÷7 = 930
  3.416÷(0.016×35) = 3.416 ÷0.56 = 6.1
  0.8×[(10-6.76)÷1.2] = 0.8 x(3.24÷1.2) = 0.8 x 2.7 = 2.16
  5.67×0.2-0.62 = 1.134-0.62 = 0.514
  0.4×0.7×0.25 = 0.4 x 0.25 x 0.7 = 0.1 x 0.7 = 0.07
  0.78+5.436+1 = 6.216 +1 = 7.216
  30.8÷[14-(9.85+1.07)] = 30.8 ÷ (14 - 10.92) = 30.8÷3.08 = 10
  [60-(9.5+28.9)]÷0.18 = (60- 38.4)÷0.18 = 21.6 ÷0.18 = 120
  2.881÷0.43-0.24×3.5 = 6.7 - 0.24 x3.5 = 6.7 - 0.84 = 5.86
  20×[(2.44-1.8)÷0.4+0.15] = 20x (0.64 ÷0.4 +0.15)= 20x(1.6 +0.15) = 20 x1.75 = 35
  28-(3.4+1.25×2.4) = 28 - (3.4 + 3) = 28 - 6.4 = 21.6
  2.55×7.1+2.45×7.1 = (2.55 + 2.45) x7.1 = 5 x7.1=35.5
  0.8×〔15.5-(3.21+5.79)〕 = 0.8 x (15.5 - 9) = 0.8 x 6.5 = 5.2
  (31.8+3.2×4)÷5 = (31.8 + 12.8)÷5 = 44.6÷5 = 8.92
  31.5×4÷(6+3) = 126 ÷ 9 = 14
  2÷2.5+2.5÷2 = 0.8 + 1.25 =2.05
  194-64.8÷1.8×0.9 = 194 -36 x0.9 = 194-32.4 = 161.65180-705×6 = 5180 - 4230=950
  24÷2.4-2.5×0.8 =10 -2=8
  405×(3213-3189) =405x24 = 9720
  125×(97-81) =125x16 =2000
  6942+480÷3 = 6942 + 160 = 6782
  20+80÷4-20 = 20 + 20 -20 = 40 -20 = 20
  100÷(32-30)×0 = 100 ÷2 x0= 50 x0 = 0
  25×4-12×5 = 100 - 60 = 40
  70×〔(42-42)÷18〕=70 x (0÷18) = 70x0 = 0
  75×65+75×35 = 75 x (65 +35) = 75x100 = 7500
  6-1.6÷4= 6- 0.4 = 5.6
  5.38+7.85-5.37= 13.23 - 5.37=7.86
  7.2÷0.8-1.2×5=9 - 6 =3
  6-1.19×3-0.43= 6-3.57 - 0.43 = 6- (3.57 + 0.43) = 6-4 = 2
  6.5×(4.8-1.2×4)= 6.5 x(4.8 - 4.8 )=6.5 x0 = 0
  0.68×1.9+0.32×1.9 = (0.68 + 0.32) x1.9 = 1 x 1.9 = 1.9
  10.15-10.75×0.4-5.7 = 10.15 - 4.3 - 5.7 = 10.15 -(4.3 + 5.7)=10.15 - 10 =0.15
  5.8×(3.87-0.13)+4.2×3.74 = 5.8 x 3.74 +4.2 x 3.74 = (5.8 +4.2)x3.74 = 10 x 3.74 = 37.4
  32.52-(6+9.728÷3.2)×2.5 = 32.52 - (6+3.04)x2.5 = 32.52 - 9.02 x 2.5 = 32.52 -22.55 = 9.97
  (136+64)×(65-345÷23)= 200x(65-15) = 200x 50=10000
全部回答
  • 1楼网友:第幾種人
  • 2021-02-14 15:18
这个解释是对的
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