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0.(简算)
还有一些简算:2.7除以4除以0.27
人气:445 ℃ 时间:2020-02-03 10:03:57
解答
0.77除以35
=0.7/35+0.07/35
=0.02+0.002
=0.022
2.7除以4除以0.27
=2.7/0.27/4
=10/4
=2.5
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