1,how do your classmates go to school?
2,how are you? i am fine.
3,the sheep are asleep. they're so cute.
1,1.5=3/2=150%=3处于2 =3:2
2,设有男生x人
x+3/4x=56
解得 x=32
56-32=24 女生有 24人
原有24-4=20人
3,
1,how do your classmates go to school?
2,how are you? i am fine.
3,the sheep are asleep. they're so cute.
1,1.5=3/2=150%=3处于2 =3:2
2,设有男生x人
x+3/4x=56
解得 x=32
56-32=24 女生有 24人
原有24-4=20人
3,