24*(3/4+1/2-7/12简便运算

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24*(3/4+1/2-7/12简便运算

24*(3/4+1/2-7/12简便运算
24*(3/4+1/2-7/12简便运算

24*(3/4+1/2-7/12简便运算
24*(3/4+1/2-7/12)
=24x3/4+24x1/2-24x7/12
=18+12-14
=16

24*(3/4+1/2-7/12)
=24x3/4+24x1/2-24x7/12
=18+12-14
=16
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