> 数学 >
99.99+33.33*4.2+66.66*1.4简便计算
人气:204 ℃ 时间:2020-03-28 23:17:13
解答
99.99+33.33*4.2+66.66*1.4
=33.33*3+33.33*4.2+33.33*2*1.4
=33.33*(3+4.2+2.8)
=33.33*10
=333.3
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版