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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: A= 7/3+7/6+7/10+7/15+7/21 A= 3/1+3/4+3/16+3/64+3/256 A= 7/6+13/12+21/20+31/30+43/42

Toán Lớp 6: A= 7/3+7/6+7/10+7/15+7/21

A= 3/1+3/4+3/16+3/64+3/256
A= 7/6+13/12+21/20+31/30+43/42

Comments ( 2 )

  1. A=7/3+7/6+7/10+7/15+7/21
    A=7/3+7/6+7/10+7/15+1/3
    A=5
    A=3/1+3/4+3/16+3/64+3/256
    A=3+3/4+3/16+3/64+3/256
    A=1023/256
    A=7/6+13/12+21/20+31/30+43/42
    A=7/6+13/12+21/20+31/30+43/42
    A=7514

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222-9+11+12:2*14+14 = ? ( )

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