Вычисли по образцу: 40*20 = 40*2*10 = 800 |60*30 = ... ; 50*40 = ... ; 70*80 = ... ;...

Question

Вычисли по образцу: 40*20 = 40*2*10 = 800
|60*30 = ... ; 50*40 = ... ; 70*80 = ... ; 90*20 = ... ; 30*40 = ... ; 30*50 = ... ; 40*70 = ... ; 80*30 = ... ; 60*50 = ... ; 90*30 = ...|

Answer 1

60*10*3=1800
50*10*4=2000
70*10*8=5600
90*2*10=1800
30*4*10=1200
30*10*5=1500
40*7*10=2800
80*3*10=2400
60*10*5=3000
90*10*3=2700