Mot phép cong co hai so hang la hai so chan Liên tiep tong các so so hang thu nhat tong so so hang thu hai la1276 tim các so hang cua phép tinh do biết so hang thu mhat lon hon so hang thu hai
Cho mot phet cong cong co so hang thu nhat hon so hang thu hai la 15 don vi .Biet tong cua so hang thu nhat so hang thu hai va tong bang 682. Tim so hang thu hai cua tong
trong mot phep cong tong lon hon so hang thu nhat 28764 don vi va so hang thu hai gap ba lan so hang thu nhat vay so hang thu nhat la.........
trong mot phep cong tong lon hon so hang thu nhat 28764 don vi va so hang thu hai gap ba lan so hang thu nhat vay so hang thu nhat la......
Trong 1 phep cong,tong cua hai so hang lon hon so hang thu nhat 12548don vi va so hnag thu hai gap 4 lan so hang thu nhat.tim tong
Mot phep cong co hai so hang . Tong cua so hang mot,so hang hai va tong la 6756 . Tim hai so hang do
-tong cua so hang thu nhat va thu hai hon so hang dau la 30.
-tong cua 3 so do hon tong 2 so hang dau la 46
-so hang thu nhat bang nua tong 2 so hang con lai
khi thuc hien phep cong hau so vi so y nen mot hoc sinh da viet sai o hang don vi cua so hang thu nhat 2 thanh 9 o hang chuc 4 thanh 7 vi the tong tim duoc la 750 hay tim tong dung cua phep cong do
tong cua hai so bang 1332 so hang thu nhat co hai chu so tan cung la 84 neu doi cho hai chu so cua so hang thu nhat thi duoc so hang thu hai tim so thu hai