[7. 4 (3-1.6)x2.5]÷0.1简便计算
答案:2 悬赏:10 手机版
解决时间 2021-11-23 00:20
- 提问者网友：酱爆肉
- 2021-11-22 14:37
[7. 4 (3-1.6)x2.5]÷0.1简便计算
最佳答案
- 五星知识达人网友：零点过十分
- 2021-11-22 15:24
[7. 4 (3-1.6)x2.5]÷0.1简便计算
=(7.4*1.4*2.5)÷0.1
=[(7+0.4)*1.4*2.5]÷0.1
=[(7*2.5+0.4*2.5)*1.4]÷0.1
=[(17.5+1)*1.4]÷0.1
=(18.5*1.4)÷0.1
=[18.5*(1+0.4)]÷0.1
=(18.5+7.4)÷0.1
=25.9÷0.1
=259
=(7.4*1.4*2.5)÷0.1
=[(7+0.4)*1.4*2.5]÷0.1
=[(7*2.5+0.4*2.5)*1.4]÷0.1
=[(17.5+1)*1.4]÷0.1
=(18.5*1.4)÷0.1
=[18.5*(1+0.4)]÷0.1
=(18.5+7.4)÷0.1
=25.9÷0.1
=259
全部回答
- 1楼网友：西岸风
- 2021-11-22 16:05
直接计算。
[7.4+（3-1.6）×2.5]÷0.1
=（7.4+1.4×2.5）÷0.1
=（7.4+3.5）÷0.1
=10.9÷0.1
=109
[7.4+（3-1.6）×2.5]÷0.1
=（7.4+1.4×2.5）÷0.1
=（7.4+3.5）÷0.1
=10.9÷0.1
=109
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