2/15*3.84+4.36*2/15+6.8/7.5
2/15*3.84+4.36*2/15+6.8/7.5
数学人气:319 ℃时间:2020-05-22 01:58:31
优质解答
2/15*(3.84+4.36)+68/75=150/75=2
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