Question

126×32-32等于多少用简便方法计算？

Answer 1

先把32提出来:
126x32-32
=32x（126-1）
=32x125
=4x8x125
=4x1000
=4000
请采纳

Answer 2

126×32-32
=32×(126-1)
=32×125
=4×8×125
=4×(8×125)
=4×1000
=4000

Answer 3