Помагите............

Question

Помагите............

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Answer 1

-2,36*5,4*2 7/9=-12,744*25/9=-12744/1000*25/9=-1416/40=-177/5=-35 2/5≈ -35,4
2 7/20*15/47*(-0,64)=47/20*15/47*(-0,64)=-2,35*15/47*0,64=-1,504*15/47=-1504/1000*15/47=0-32/200*3=-4/25*3=-12/25=-0,48