25×32÷14+36÷21×25等于几,用分数

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25×32÷14+36÷21×25等于几,用分数25×32÷14+36÷21×25等于几,用分数25×32÷14+36÷21×25等于几,用分数25×32÷14+36÷21×25=25×32/14+(

25×32÷14+36÷21×25等于几,用分数
25×32÷14+36÷21×25
等于几,用分数

25×32÷14+36÷21×25等于几,用分数
25×32÷14+36÷21×25
=25×32/14+(36/21)×25
=25×(8/7)+(12/7)×25
=25×(8/7+12/7)
=25×20/7
=500/7