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计算(能够简算就简算)3.84*0.84+0.616*8.4
人气:251 ℃ 时间:2020-04-05 20:46:44
解答
3.84*0.84+0.616*8.4
= 3.84*0.84+6.16*0.84
= (3.84+6.16)*0.84
= 10*0.84
= 8.4
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