> 数学 >
10又1/2÷35+2.8×1/7 脱式计算
人气:254 ℃ 时间:2020-04-24 22:58:52
解答
10又1/2÷35+2.8×1/7 =21/2÷35+0.4 =3/10+0.4 =0.3+0.4 =0.7
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版