упростите. 1) 12*3а. 2) 0,6а*7b. 3) 0,8m*0,5n*4p.

спс

1)12*3а=36а (12*3=36)2)0,6а*7b= 4,2ab (0,6*7=4,2, a*b=ab3)0,8m*0.5n*4p=1.6 mnp (0.8*0.5*4=1.6, m*n*p=mnp)