Các câu hỏi tương tự
Thay cac chu cai bang cac chu so thich hop
A) abcd × 5= 2abcd
B) ab + ab = c12
GIup em voi chu so thich hop de dien vao o trong de 6 .......8<638 la so nao vay em gap lam
co 46 cai coc xep vao cac hop,moi hop 6 cai coc.Hoi xep duoc nhieu nhat la may hop va con thua may cai coc?Neu them 2 cai coc nua thi so coc do xep duoc vao may hop
dien dau thich hop vao cho cham :
a7 + 8b .......... ab + 78
thay cac chu bang nhung so thich hop:
a x b x ab = bbb
nguoi ta xep 800 cai banh vao cac hop ,moi hop bon cai. Sau do xep cac hop vao thung ,moi thung 5 cai.Hoi co bao nhieu thung banh
ban hay tim so thich hop dien vao dau cham hoi nhe!
1,4,9,?,25,36,49,64,81
biet a va b la so co mot chu so la so chan ay dien so thich hop vao bang sau
8=3/3 7=b/b
dien gia tri thich hop vao cac o trong;
92 x ( 5 + 7 ) = -------- x -------- +-------- x 7
= ------------------- + ------------------
= ------------------