70 дм × 42 = 70 дм × (40 + 2) =...

Question

70 дм × 42 = 70 дм × (40 + 2) =...

Answer 1

70 х (40+2)= 70*40+70*2=2800+140=2940дм

Comments

Спасибо

Answer 2

 ..... 2940 дм   
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