用你喜欢的方法计算. 25×125×4 (105×12-635)÷25 38×101

用你喜欢的方法计算. 25×125×4 (105×12-635)÷25 38×101.
2025-01-04 20:27:03
推荐回答(1个)
回答1:

(1)25×125×4,
=25×4×125,
=100×125,
=12500;

(2)(105×12-635)÷25,
=(1260-635)÷25,
=625÷25,
=25;

(3)38×101,
=38×(100+1),
=38×100+38×1,
=3800+38,
=3838.