根据30+50=80,520﹣80=440,440÷11=40.综合算算式是( )
A.520﹣30+50÷11="40" | B.(520﹣30+50)÷11=40 |
C.(520﹣80)÷11="40" | D.[520﹣(30+50)]÷11=40 |
根据30+50=80,520﹣80=440,440÷11=40.综合算算式是( )
A.520﹣30+50÷11="40" | B.(520﹣30+50)÷11=40 |
C.(520﹣80)÷11="40" | D.[520﹣(30+50)]÷11=40 |
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