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脱式计算
168.1÷(4.3×2-0.4)
10.6-(6.6+0.125÷12.5%)
人气:494 ℃ 时间:2020-03-18 21:00:00
解答
(1)168.1÷(4.3×2-0.4),
=168.1÷(8.6-0.4),
=168.1÷8.2,
=20.5;
(2)10.6-(6.6+0.125÷12.5%),
=10.6-(6.6+1),
=10.6-7.6,
=3.
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