lion83
幼苗
共回答了19个问题采纳率:94.7% 举报
28/5+28/5*19
=28/5*(1+19)
=28/5*20=112
2/7*35*7/15
=70/15=14/3=4又2/3
4又1/3*9/26*0
=0
14/9-10/13除与2-8/13
=14/9-10/13/18/13
=14/9-5/9
=1
37*5/9-5/9
=5/9*(37-1)
=5/9*36
=20
14.5*101-14.5
=14.5*(101-1)
=1450
3.8*43.7+4.12+38+151*0.38
=3.8*43.7+41.2*3.8+15.1*3.8
=3.8*(43.7+41.2+15.1)
=3.8*100
=380
1年前
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