(3,8m+2,4m) :3,1=6,2m:3.1=2m
при m=0.55
2*0.55=1.1
при m=1.8
2*1.8=3.6
1) 3.8*0.55+2.4*0.55:3.1=2.09+1.32:3.1=3.41:3.1=1.1
2)3.8*1.8+2.4*1.8:3.1=6.84+ 4.32:3.1=11.16:3.1=3.6
