5/3 +2/3.(-3/4) (-2/3-3/4):7/279+(2/3+3/4):7/249

Bởi

5/3 +2/3.(-3/4)
(-2/3-3/4):7/279+(2/3+3/4):7/249

0 bình luận về “5/3 +2/3.(-3/4) (-2/3-3/4):7/279+(2/3+3/4):7/249”

  1. 5/3+2/3.(-3/4)

    =5/3 +(-1/2)

    =7/6

    (-2/3-3/4):7/279 +(2/3+3/4):7/279

    =[(-2/3-3/4)+ (2/3+3/4)]:7/279

    =[-2/3-3/4+2/3-3/4].279/7

    ={[(-2/3)+2/3]+[-3/4-(-3/4)]}. 279/7

    ={0+0}.279/7

    =0.249/7

    =0

     

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