1樓:80892驢構
(du1)99×zhi8.4+0.84
=990×0.84+0.84×1,
dao=(990+1)×0.84,
=991×0.84,
=832.44;
(2)(37.62+20.76)÷
版0.042
=58.38÷0.042,
=843÷0.6,
=1390;
(3)4.8×6.2÷12.4
=29.76÷12.4,
=2.4;
(4)3.75÷[0.03×(權1.34-0.84)]=3.75÷[0.03×0.5],
=3.75÷0.015,
=250.
(37.62十20.76)÷0.042簡算
2樓:小小芝麻大大夢
(37.62+20.76)÷0.042=1390。
簡便計算如下:
(37.62+20.76)÷0.042
=(37620+20760)÷42
=58380÷42
=1390
3樓:匿名使用者
(37.62+20.76)÷0.042
=58.38÷0.042
=843÷0.6
=1390
括號37.62加20.76反括號除以0.042的簡便方法
4樓:很多很多
(37.62+20.76)÷0.042=1390。
其簡便計算的過程如下
:(37.62+20.76)÷0.042
=(37620+20760)÷42
=58380÷42
=1390
5樓:凌月霜丶
括號37.62加20.76反括號除以0.042的簡便方法括號37.62加20.76反括號除以0.042=(37.62+20.76)÷0.042
=58.48÷0.042
=不是有限小數
脫式計算能簡算的要簡算
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