Question

вычисли удобным способом (10+8)*6,9*(30+70),(51+29)*4,(300+20)*3

Answer 1

(10+8)*6=10*6+8*6=60+48=108
9*(30+70)=9*100=900
(51+29)*4=80*4=320
(300+20)*3=900+60=960

Answer 2

10*6+8*6=60+48=108
(30+70)*9=100*9=900
(51+29)*4=80*4=320
300*3+20*3=900+60=960