Question

Вычислите. зарание благодарю.

Answer 1

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Answer 2

1.(10/3)·(9/4)=30/4=15/2=7.5
2.(52/9)·(9/4)=13,  3.13+7.5=20.5
4.23/6-7/12+79/8=(23·12-7·6+79·9)/72=(276-42+711)/72=945/72=105/8
5.(16/15)(105/8)=2·7=14
6.20.5-14=6.5
7.(65/10)·(16/39)=(13/2)·(16/39)=8/3=2  2/3