Question

раскройте скобки:1)   5*(х+11): 2) 2*(12n-m): 3) (4с+d)*8y: 4) 6*(р+k-9t)

Answer 1

5*(Х+11)=5Х+55
2*(12n-m)=24n-2m
(4c+d)*8y=32yc+8yd
6*(p+k-9t)=6p+6k-54t