如题所述
第1个回答 2017-03-29
103x12怎样算最简便算
=(100+3)x12
=100x12+3x12
=1200+36
=1236本回答被提问者采纳
=(100+3)x12
=100x12+3x12
=1200+36
=1236本回答被提问者采纳
第2个回答 2017-03-29
103×12
=(100+3)×12
=100×12+3×12
=1200+36
=1236
请采纳。😀
=(100+3)×12
=100×12+3×12
=1200+36
=1236
请采纳。😀
第3个回答 2017-03-29
(100+3)*12
=100*12+3*12
=1200+36
1236
=100*12+3*12
=1200+36
1236
第4个回答 2022-12-13
乘法分配律为:两个数的和与一个数相乘,先将它们与这个数分别相乘,再相加,积不变.即:(a+b)×c=a×c+b×c.反过来则:a×c+b×c=(a+b)×c
103×12
=(100+3)×12
= 100×12+3×12
=1200+36
=1236
103×12
=(100+3)×12
= 100×12+3×12
=1200+36
=1236