根据35×100=3500,你能计算出35×102,35×99的积吗?
35×102???????????????????????
=35×________+35×________
=________
35×99
=35×________-35×________
=________.
网友回答
100 2 3570 100 1 3465
解析分析:运用乘法分配律即可解答.
解答:35×102,
=35×100+35×2,
=3500+70,
=3570;35×99,
=35×100-35×1,
=3500-35,
=3465;
故