s31901
花朵
共回答了25个问题采纳率:80% 举报
1 3/4×3/5=9/20
45×4/9=20
5/20÷10=1/40
0÷17/2=0
5.4×1/6=0.9
3/4÷3/16=4
0.625÷1/8=5/8÷1/8=5
3/8×1/2=3/16
3/16+1/4=7/16
1÷5/11×11/5=121/25
6/5÷2÷1/5=3
5/7×9÷5/7×9=81
2 7/8×5/6+1/8÷6/5=(7/8+1/8)×5/6=5/6
11/12×7÷7/12=(11/12+1/12)×7=1
2.8×(1/7+3/28)=0.4+0.3=0.7
101×99/100=(100+1)×99/100=99+99/100=9999/100
55000÷25÷4=55000÷(25×4)=55000÷100=550
1年前
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