发布网友 发布时间:2024-10-24 03:42
共1个回答
热心网友 时间:2024-10-30 09:25
(1)36×25,
=9×4×25,
=9×(4×25),
=9×100,
=900;
(2)102×24,
=(100+2)×24,
=100×24+2×24,
=2400+48,
=2448;
(3)35×16×125,
=35×2×8×125,
=(35×2)×(8×125),
=70×1000,
=70000;
(4)137×15-15×37,
=15×(137-37),
=15×100,
=1500.