递等式计算:(5/8)*(4/5)+(8/3)/(5/4)

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递等式计算:(5/8)*(4/5)+(8/3)/(5/4)
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递等式计算:(5/8)*(4/5)+(8/3)/(5/4)
递等式计算:(5/8)*(4/5)+(8/3)/(5/4)

递等式计算:(5/8)*(4/5)+(8/3)/(5/4)
(5/8)×(4/5)+(8/2)/(5/4)
=(5/8)×(4/5)+(8/3)×(4/5)
=(4/5)×(8/3+8/5)
=(4/5)×1
=4/5

(5/8)×(4/5)+(8/2)/(5/4)
=(5/8)×(4/5)+(8/3)×(4/5) 因除以一个数等于乘它的倒数所以除以5/4等于乘4/5
=(4/5)×(8/3+8/5) 提取公因数
=(4/5)×1
=4/5