> 数学 >
计算:121×0.13+12.1×0.9-12×1.21=______.
人气:132 ℃ 时间:2020-06-22 21:12:15
解答
121×0.13+12.1×0.9-12×1.21
=12.1×1.3+12.1×0.9-12.1×1.2
=12.1×(1.3+0.9-1.2)
=12.1×1
=12.1.
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版