> 数学 >
7.77*6+1.11*58 巧算
7.77*6+1.11*58
人气:370 ℃ 时间:2020-01-29 19:16:09
解答
7.77x6+1.11x58
=1.11x42+1.11x58
=1.11x(42+58)
=1.11x100
=111
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版