Ответ:
7)9/14;8)7/6;9)48;10)3
7. 2 13/16:4 3/8 = 45/16:35/8=45/16•8/35=9/2•1/7=9/14
8. 3 1/3:2 6/7= 10/3:20/7=10/3•7/20=1/3•7/2=7/6
9. 2 2/3:2/9:1/4= 8/3:2/9:1/4=8/3•9/2•4=4•3•4=48
10.2 2/3:(2/9:1/4)=8/3:(2/9•4)=8/3:8/9=8/3:9/8=3
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Ответ:
7)9/14;8)7/6;9)48;10)3
Ответ:
7. 2 13/16:4 3/8 = 45/16:35/8=45/16•8/35=9/2•1/7=9/14
8. 3 1/3:2 6/7= 10/3:20/7=10/3•7/20=1/3•7/2=7/6
9. 2 2/3:2/9:1/4= 8/3:2/9:1/4=8/3•9/2•4=4•3•4=48
10.2 2/3:(2/9:1/4)=8/3:(2/9•4)=8/3:8/9=8/3:9/8=3