3.333×22.22÷111.1巧算

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3.333×22.22÷111.1巧算3.333×22.22÷111.1巧算3.333×22.22÷111.1巧算3.333×22.22÷111.1=3.333÷111.1×22.22=0.03×22

3.333×22.22÷111.1巧算
3.333×22.22÷111.1巧算

3.333×22.22÷111.1巧算
3.333×22.22÷111.1
=3.333÷111.1×22.22
=0.03×22.22
=0.6666

原式=0.3333×(222.2÷111.1)=0.3333×2=0.6666