> 数学 >
计算:53.87×47-538.7×3.9+5387×0.92.
人气:436 ℃ 时间:2020-01-29 23:41:02
解答
原式=5387×0.47-5387×0.39+5387×0.92
=5387×(0.47-0.39+0.92)
=5387×1
=5387.
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版