脱式计算(1)0.175÷0.25×4
答案:1 悬赏:30 手机版
解决时间 2021-11-28 07:55
- 提问者网友:鼻尖触碰
- 2021-11-28 00:38
脱式计算(1)0.175÷0.25×4
最佳答案
- 五星知识达人网友:蕴藏春秋
- 2021-11-28 02:05
(1)0.175÷0.25×4,
=0.7×4,
=2.8;
(2)54÷(3.94+6.86),
=54÷10.8,
=5;
(3)12.8+2.04×9.5,
=12.8+19.38,
=32.18;
(4)4.5×0.9+5.5×0.9,
=(4.5+5.5)×0.9,
=10×0.9,
=9.
=0.7×4,
=2.8;
(2)54÷(3.94+6.86),
=54÷10.8,
=5;
(3)12.8+2.04×9.5,
=12.8+19.38,
=32.18;
(4)4.5×0.9+5.5×0.9,
=(4.5+5.5)×0.9,
=10×0.9,
=9.
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