1.9999x9999十9999 2.10001x10001一10001用乘法分

问题描述:

1.9999x9999十9999 2.10001x10001一10001用乘法分
1.9999x9999十9999 2.10001x10001一10001用乘法分配律怎么算

①原式=9999×(9999+1)
=9999×10000
=99990000
②原式=10001×(10001-1)
=10001×10000
=100010000希望能帮助你