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【39+61分之39】÷39 简算
人气:126 ℃ 时间:2020-05-19 03:42:21
解答
(39+39/61)÷39
=39÷39+39/61÷39
=1+1/61
=1又1/6111.36×7分之6+8.64÷6分之7 简算原式:11.36×6/7+8.64÷7/6=11.36×6/7+8.64×6/7=(11.36+8.64)×6/7=20×6/7=120/7 (望采纳,谢谢)
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