53又1/3×3/5-42又2/3×3/8+36又3/4×4/7这道题怎么做
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![53又1/3×3/5-42又2/3×3/8+36又3/4×4/7这道题怎么做](/uploads/image/z/4338765-45-5.jpg?t=53%E5%8F%881%2F3%C3%973%2F5-42%E5%8F%882%2F3%C3%973%2F8%2B36%E5%8F%883%2F4%C3%974%2F7%E8%BF%99%E9%81%93%E9%A2%98%E6%80%8E%E4%B9%88%E5%81%9A)
53又1/3×3/5-42又2/3×3/8+36又3/4×4/7这道题怎么做
53又1/3×3/5-42又2/3×3/8+36又3/4×4/7这道题怎么做
53又1/3×3/5-42又2/3×3/8+36又3/4×4/7这道题怎么做
化成假分数
160/3×3/5-128/3×3/8+147/4×4/7
=32-16+21
=37
32-16+21=37
53又1/3×3/5-42又2/3×3/8+36又3/4×4/7
=160/3×3/5-128/3×3/8+147/4×4/7
=32-16+21
=37
53X1/3X3/5-42X2/3X3/8+36X3/4X4/7
=53X1/5-42X1/4+36X3/7
=10.6-10.5+36又3/7
=????
我也不会了。