1) 5 4/10*(-5/18)=5 2/5*(-5/18)=-(27*5)/5*18=-27/18=-9/6=-3/2
2)38/11:(-5/11)=-(38*11)/11*5=-38/5
3)-3/2+38/5+2/5=-3/2+8=8-1 1/2=7 2/2-1 1/2=6 1/2
ответ примера 6 1/2
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1) 5 4/10*(-5/18)=5 2/5*(-5/18)=-(27*5)/5*18=-27/18=-9/6=-3/2
2)38/11:(-5/11)=-(38*11)/11*5=-38/5
3)-3/2+38/5+2/5=-3/2+8=8-1 1/2=7 2/2-1 1/2=6 1/2
ответ примера 6 1/2