5 x 6 - 30 + 25 + 56
= 30 - 30 + 25 + 56
= 0 + 81
= 81
5.6 - 30 +25 +56
= 30 -30 +25 +56
= 0 +25 +56
=81
7899 + 3221 + 6531 + 5670 = ????
ai giai duoc nho ket ban voi minh nhe !!!
chuc cac ban hoc tot !!!
44x44+44x44+44x44:44+44x44+44+44+44x44
tra loi giup to nhe . Da co 78% tra loi sai , chuc may man
tim 3 chu so biet rang chu so hang chuc bang1/2 chu so hang tram chu so hang don vi bang 1/4 chu so hang chuc so9 can tim la (cac ban giup minh nha) ^ ^
2*3*3*3*3*3*3*3=
chuc cac ban hoc tot ,nghe loi ong ba bo me
Cu 4 nam, Lan moi duoc to chuc ki niem sinh nhat 1 lan. Do cac ban, Lan sinh ngay nao? Thang nao?
68+12=?
108+99=?
abc0-abc=1782
khong kho dau toan lop 3 de !
Chuc cac ban vui ve !
0,5 = may vay cac ban?
123-23+56-156+299=? bao nhieu cac ban
so lon la so tron chuc co hau chu so lon hon 30 va nho hon 50 so be la 8 hi so be bang mot phan may so lon
