> 数学 >
0.63+4.37/(2又3分之2-1又9分之4)
人气:344 ℃ 时间:2020-04-18 12:53:31
解答
=0.63+4.37/(8/3-13/9)
=0.63+4.37/(11/9)
=0.63+4.37*9/11
=63/100+3933/1100
=4626/1100
=2313/550
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版