38×333 12×666用简便方法计算

2025-03-24 20:02:19
推荐回答(1个)
回答(1):

38*333=(40-2)*333
=40*333-2*333
=13320-666
=12654
12*666=(10+2)*666
=10*666+2*666
=6660+1332
=7992