Ответ:
1)х=3 1/2•1 1/7:0,4
х=7/2•8/7•10/4
х=7•8•5/2•7•2
х=10
2)х=2,88•2,6/15,6
х=0,48
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Ответ:
1)х=3 1/2•1 1/7:0,4
х=7/2•8/7•10/4
х=7•8•5/2•7•2
х=10
2)х=2,88•2,6/15,6
х=0,48