3.65x2.4+36.5x0.76一道数学题(巧算!一定要巧算!)
问题描述:
3.65x2.4+36.5x0.76一道数学题(巧算!一定要巧算!)
答
3.65x2.4+36.5x0.76
=3.65x2.4+3.65x7.6
=3.65x(2.4+7.6)
=36.5