递等式计算.36+61.2/12 (20-1.4/2)*0.4 54/(3.94+6.86)*0.8
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![递等式计算.36+61.2/12 (20-1.4/2)*0.4 54/(3.94+6.86)*0.8](/uploads/image/z/1032898-58-8.jpg?t=%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%97.36%2B61.2%2F12+%EF%BC%8820-1.4%2F2%EF%BC%89%2A0.4+54%2F%EF%BC%883.94%2B6.86%EF%BC%89%2A0.8)
递等式计算.36+61.2/12 (20-1.4/2)*0.4 54/(3.94+6.86)*0.8
递等式计算.36+61.2/12 (20-1.4/2)*0.4 54/(3.94+6.86)*0.8
递等式计算.36+61.2/12 (20-1.4/2)*0.4 54/(3.94+6.86)*0.8
36+61.2/12
=36+5.1
=40.1
(20-1.4/2)*0.4
=(20-0.7)*0.4
=20*0.4-0.7*0.4
=8-0.28
=7.72
54/(3.94+6.86)*0.8
=54/10*0.8
=5.4*0.8
=4.32