48乘以0.69+3.1乘以4.8怎样简便算
答案:5 悬赏:70 手机版
解决时间 2021-01-08 00:05
- 提问者网友：城市野鹿
- 2021-01-07 15:22
48乘以0.69+3.1乘以4.8怎样简便算
最佳答案
- 五星知识达人网友：雾月
- 2021-01-07 16:52
48乘以0.69+3.1乘以4.8
=4.8*6.9+4.8*3.1
=4.8*(6.9+3.1)
=4.8*10
=48
=4.8*6.9+4.8*3.1
=4.8*(6.9+3.1)
=4.8*10
=48
全部回答
- 1楼网友：春色三分
- 2021-01-07 20:15
原式=48*(0.69+0.1*3.1)=48*（0.69+0.31）=48*1=48
- 2楼网友：往事隔山水
- 2021-01-07 19:28
=48x0.69+0.31x48
=48x(0.69+0.31)
=48x1
=48
=48x(0.69+0.31)
=48x1
=48
- 3楼网友：山君与见山
- 2021-01-07 18:00
48*0.69+3.1*4.8
=48*0.69+0.31*48
=48*(0.69+0.31)
=48*1
=48
=48*0.69+0.31*48
=48*(0.69+0.31)
=48*1
=48
- 4楼网友：掌灯师
- 2021-01-07 16:58
48×0.69+3.1×4.8
=（48÷10）×（0.69×10）+3.1×4.8
=4.8×6.9+3.1×4.8
=4.8×（6.9+3.1）
=4.8×10
=48
=（48÷10）×（0.69×10）+3.1×4.8
=4.8×6.9+3.1×4.8
=4.8×（6.9+3.1）
=4.8×10
=48
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