用你喜欢的方式计算下面各题.6.54×1.2-1.872.5×32×0.1251.4
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解决时间 2021-11-12 04:42
- 提问者网友:蓝琪梦莎
- 2021-11-11 17:08
用你喜欢的方式计算下面各题.6.54×1.2-1.872.5×32×0.1251.4
最佳答案
- 五星知识达人网友:妄饮晩冬酒
- 2021-11-11 17:53
解答:
②2.5×32×0.125
=(2.5×4)×(8×0.125)
=10×1
=10
③1.4×3.5-2.3×0.9
=4.9-2.07
=2.83
④13.65÷0.25÷4
=13.65÷(0.25×4)
=13.65÷1
=13.65
⑤3.6÷0.25
=3.6×4
=14.4
⑥4.9×99
=4.9×(100-1)
=490-4.9
=485.1
解:①6.54×1.2-1.87 =7.848-1.87 =5.978 |
=(2.5×4)×(8×0.125)
=10×1
=10
③1.4×3.5-2.3×0.9
=4.9-2.07
=2.83
④13.65÷0.25÷4
=13.65÷(0.25×4)
=13.65÷1
=13.65
⑤3.6÷0.25
=3.6×4
=14.4
⑥4.9×99
=4.9×(100-1)
=490-4.9
=485.1
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