> 数学 >
72×26+26×48简便运算
人气：246 ℃　时间：2020-02-01 10:06:32
解答
72x26+26x48
=(72+48)x26
=120x26
=(100+20)x26
=100x26+20x26
=2600+520
=3120
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版