4/5乘7又3/8+2.625除以1又1/4,怎么简算?
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![4/5乘7又3/8+2.625除以1又1/4,怎么简算?](/uploads/image/z/13269-21-9.jpg?t=4%2F5%E4%B9%987%E5%8F%883%2F8%2B2.625%E9%99%A4%E4%BB%A51%E5%8F%881%2F4%2C%E6%80%8E%E4%B9%88%E7%AE%80%E7%AE%97%3F)
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4/5乘7又3/8+2.625除以1又1/4,怎么简算?
4/5乘7又3/8+2.625除以1又1/4,怎么简算?
4/5乘7又3/8+2.625除以1又1/4,怎么简算?
4/5×7/3/8+2.625÷1/1/4
=0.8×7/3/8+2/5/8×0.8
=0.8×(7/3/8+2/5/8)
=0.8×10
=8