用递等式计算 (48-36*2/3)/(1/4-1/5) 2.4/{(3.2+6.8)*1/2}

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用递等式计算 (48-36*2/3)/(1/4-1/5) 2.4/{(3.2+6.8)*1/2}
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用递等式计算 (48-36*2/3)/(1/4-1/5) 2.4/{(3.2+6.8)*1/2}
用递等式计算 (48-36*2/3)/(1/4-1/5) 2.4/{(3.2+6.8)*1/2}

用递等式计算 (48-36*2/3)/(1/4-1/5) 2.4/{(3.2+6.8)*1/2}
(48-36*2/3)/(1/4-1/5)
=(48-24)÷(5/20-4/20)
=24÷1/20
=24×20
=480
2.4/{(3.2+6.8)*1/2}
=2.4÷(10×1/2)
=2.4÷5
=0.48