Explicación paso a paso:
1.
(3/4+1/2)•9\8
5/4•9/8=45/32
2.
8/3•7/3•4/3+2/3=
224/27+2/3=224+18/27=242/27
3.
3/5÷16/9=3/5×9/16=27/80
4.
5/7×8/2+54/7=20/7+54/7=74/7
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Verified answer
Explicación paso a paso:
1.
(3/4+1/2)•9\8
5/4•9/8=45/32
2.
8/3•7/3•4/3+2/3=
224/27+2/3=224+18/27=242/27
3.
3/5÷16/9=3/5×9/16=27/80
4.
5/7×8/2+54/7=20/7+54/7=74/7