a: =-2,4x1,25=-3
b: =-5,85:2,25=-2,6
c: =4,2-0,126-2,18=1,894
d: =-45,3+7,3-1,5=-38-1,5=-39,5
a) \(\left(-2,4\right)\cdot1,25=-\left(2,4\cdot1,25\right)=-3\)
b) \(-5,85:2,25=\)\(-\left(5,85:2,25\right)=-2,6\)
c) \(4,2-\left(0,126+2,18\right)=4,2-2,306=1,894\)
d) \(-45,3+\left[7,3+\left(-1,5\right)\right]=-45,3+5,8=-39,5\)