192×7+192×2+192简便运算

192×7+192×2+192简便运算
2025-03-19 06:58:05
推荐回答(1个)
回答1:

192×7+192×2+192
=192×7+192×2+192×1
=192×(7+2+1)
=192×10
=1920
分析:
运用乘法结合律