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(0.25×76+23×25%+1/4)÷0.1简便运算,
人气:219 ℃ 时间:2020-09-21 23:09:05
解答
(0.25×76+23×25%+1/4)÷0.1
=0.25×(76+25+1)×10
=0.25×100×10
=250
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