103乘12列踪合算式用乘法分配律怎么算

2025-01-25 07:42:35
推荐回答(2个)
回答1:

103x12=(100+3)x12=100x12+3x12=1200+36=1236

回答2:

103×12
=(100+3)×12
=100×12+3×12
=300+36
336