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(80%+25%)÷(7÷3)+0.7=?
人气:477 ℃ 时间:2020-10-01 22:14:58
解答
(80%+25%)÷(7÷3)+0.7
=(0.8+0.25)÷(7÷3)+0.7
=1.05÷7/3+0.7
=0.45+0.7
=1.15
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