3/14×5/7= 3/14÷5/7= 1/2×1/3÷1/3×1/2= 4/3÷3/4= 2/7
3/14×5/7=3/14÷5/7=1/2×1/3÷1/3×1/2=4/3÷3/4=2/7÷8/7=6÷3/4=1/2+1/3=1-4/9×1-4/9=...
3/14×5/7=
3/14÷5/7=
1/2×1/3÷1/3×1/2=
4/3÷3/4=
2/7÷8/7=
6÷3/4=
1/2+1/3=
1-4/9×1-4/9= 展开
3/14÷5/7=
1/2×1/3÷1/3×1/2=
4/3÷3/4=
2/7÷8/7=
6÷3/4=
1/2+1/3=
1-4/9×1-4/9= 展开
1个回答
2016-01-19 · 知道合伙人教育行家
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3/14×5/7=15/98
3/14÷5/7=3/14×7/5 = 3/10
1/2×1/3÷1/3×1/2=1/2×1/2 = 1/4
4/3÷3/4=4/3×4/3 = 16/9
2/7÷8/7=2/7×7/8 = 1/4
6÷3/4=6×4/3 = 8
1/2+1/3=5/6
1-4/9×1-4/9=1-4/9-4/9=1-8/9 = 1/9
3/14÷5/7=3/14×7/5 = 3/10
1/2×1/3÷1/3×1/2=1/2×1/2 = 1/4
4/3÷3/4=4/3×4/3 = 16/9
2/7÷8/7=2/7×7/8 = 1/4
6÷3/4=6×4/3 = 8
1/2+1/3=5/6
1-4/9×1-4/9=1-4/9-4/9=1-8/9 = 1/9
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