5.4乘中括号小括号1.3加2.15小括号除以0.5中括号.简便计算题
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5.4乘中括号小括号1.3加2.15小括号除以0.5中括号
=5.4×[(1.3+2.15)÷0.5]
=5.4×[(1.3+2.15)×2]
=5.4×(2.6+4.3)
=5.4×(7-0.1)
=37.8-0.54
=37.26
=5.4×[(1.3+2.15)÷0.5]
=5.4×[(1.3+2.15)×2]
=5.4×(2.6+4.3)
=5.4×(7-0.1)
=37.8-0.54
=37.26
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