Question

выполните действие, помагите!!

Answer 1

-3 1/5*(-1/4)=-16/5*(-1/4)=4/5
-8 2/3*(-1/26):(-7/9)²=-26/3*(-1/26):(-49/81)=1/3*(-81/49)=-27/49
(1 1/7)²:1 19/21*(-5/6)=64/49:40/21*(-5/6)=64/49*21/40*(-5/6)=24/35*(-5/6)=-4/7
(-2/3)³*(-2 17/32):9/16=-8/27*(-81/32)*16/9=3/4*16/9=4/3=1 1/3