101×26点9-1点二五×13点四五×1点六用简便计算
答案:2 悬赏:50 手机版
解决时间 2021-04-18 04:32
- 提问者网友:欲劫无渡
- 2021-04-18 01:43
101×26点9-1点二五×13点四五×1点六用简便计算
最佳答案
- 五星知识达人网友:玩家
- 2021-04-18 03:23
解: 101*26.9-1.25*13.45*1.6
= 101*26.9-1.25*13.45*(2*0.8)
= 101*26.9-(1.25*0.8)*(13.45*2)
= 101*26.9-26.9
=(101-1)*26.9
=100*26.9
=2690
= 101*26.9-1.25*13.45*(2*0.8)
= 101*26.9-(1.25*0.8)*(13.45*2)
= 101*26.9-26.9
=(101-1)*26.9
=100*26.9
=2690
全部回答
- 1楼网友:千杯敬自由
- 2021-04-18 04:08
101×26.9-1.25×13.45×1.6
=(100×26.9+26.9)-(1.25×13.45×2×0.8)
=(2690+26.9)-(1.25×0.8)×(13.45×2)
=(2690+26.9)-(1×26.9)
=2690+26.9-26.9
=2690
=(100×26.9+26.9)-(1.25×13.45×2×0.8)
=(2690+26.9)-(1.25×0.8)×(13.45×2)
=(2690+26.9)-(1×26.9)
=2690+26.9-26.9
=2690
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