8+25ᘧ࿾125ᘧ࿾4简便方法

2025-06-28 09:29:27
推荐回答(2个)
回答1:

8×25×125×4
=(8×125)×(25×4) 乘法交换律和乘法结合律
=1000×100
=100000

回答2:

8+25×125×4
=8+25×4×125
=8+100×125
=8+12500
=12508