> 数学 >
a-b=3
-11a+11b
人气:325 ℃ 时间:2020-05-01 15:45:55
解答
解 -11a+11b
= -11*(a-b)
= -11*3
=-33
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版