а)61,7*52,1-43,6*((119,62+218,48):13,8)
=2146.37
1)119,62+218,48=338.1
2)338.1:13,8=24.5
3)43,6*24,5=1068.2
4)61.7*52.1=3214.57
5)3214.57-1068.2=2146.37
73,2*48,3-37,4*((166,02+219,38):16,4)=2656.66
1)166,02+219,38=385.4
2)385,4:16,4=23,5
3)37,4*23,5=878.9
4)73,2*48,3=3535.56
5)3535.56-878.9=2656.66