来自马龙的问题
(十一又九分之二+九又十一分之二)÷(2/9+2/11)
(十一又九分之二+九又十一分之二)÷(2/9+2/11)
1回答
2020-06-20 19:11
(十一又九分之二+九又十一分之二)÷(2/9+2/11)
(十一又九分之二+九又十一分之二)÷(2/9+2/11)
(十一又九分之二+九又十一分之二)÷(2/9+2/11)
=(101/9+101/11)÷(2/9+2/11)
=101(1/9+1/11)÷2(1/9+1/11)
=101/2
=50.5