16.2÷【64.8-(51.3-2.7)】简便运算

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16.2÷【64.8-(51.3-2.7)】简便运算16.2÷【64.8-(51.3-2.7)】简便运算16.2÷【64.8-(51.3-2.7)】简便运算16.2÷[64.8-(51.3-2.7)]

16.2÷【64.8-(51.3-2.7)】简便运算
16.2÷【64.8-(51.3-2.7)】简便运算

16.2÷【64.8-(51.3-2.7)】简便运算
16.2÷[64.8-(51.3-2.7)]
=16.2÷(64.8-51.3+2.7)
=16.2÷(13.5+2.7)
=16.2÷16.2
=1

16.2÷【64.8-(51.3-2.7)】
=16.2÷【64.8-51.3+2.7】
=16.2÷16.2
=1

16.2÷【64.8-(51.3-2.7)】=16.2÷64.8-16.2÷(51.3-2.7)=1/4-1/3=-1/12