Question

45×6+37×3用简便方法怎么做？

Answer 1

Answer 2

45×6＋37×3＝45×2×3＋37×3＝90×3＋37×3=(90+37)×3=127×3=381

Answer 3

45*6+37*3
=45*（2*3）+37*3
=3[(45*2)+37]
=3*127