Các câu hỏi tương tự
Cho so 305
a)neu chu so hang tram bot di(hay tang them)thi so do giam di hay tang them bao nhieu don vi
b)so do thay doi the nao neu doi chu so 0 va chu so 5 cho nhau?
hieu cua hai so la 82,neu giam so bi tru di 6 don vi va giu nguyen so tru thi hieu moi bang bao nhieu
1/ tinh : 1 giờ : 3 ...phút? 2/ lop 2a co 4 ban; lop 2b co 5 ban du thi violypic cap thanh pho . Cac ban cua hai lop bat tay chuc mung nhau moi khi di moi nguoi mot lan. Hoi co tat ca bao nhieu cai bat tay?Biết rằng các bạn trong cùng lớp ko bat tay nhau.3/ so be nhat co 3 chu so khac nhau cua phep chia chu so hang tram cho chu so hang chuc bang thuong cua phep chia chu so hang chuc cho hang don vi la so.......4/ cho day so :0,1,2,3,6,11,...So thich hop tiep theo cua day so do la:...5/ so lon...
Đọc tiếp
1/ tinh : 1 giờ : 3= ...phút?
2/ lop 2a co 4 ban; lop 2b co 5 ban du thi violypic cap thanh pho . Cac ban cua hai lop bat tay chuc mung nhau moi khi di moi nguoi mot lan. Hoi co tat ca bao nhieu cai bat tay?Biết rằng các bạn trong cùng lớp ko bat tay nhau.
3/ so be nhat co 3 chu so khac nhau cua phep chia chu so hang tram cho chu so hang chuc bang thuong cua phep chia chu so hang chuc cho hang don vi la so.......
4/ cho day so :0,1,2,3,6,11,...So thich hop tiep theo cua day so do la:...
5/ so lon nhat co 3 chu so khac nhau ma tong cac chu so cua so do bang 21la:....
tong cua hai so la 35 . khi them vao so hang thu nhat 6 don vi thi tong cua hai so la bao ??
tong cua hai so la 83 . khi bot so hang thu hai di 7 don vi thi tong cua hai so la bao nhieu ??
hieu cua hai so la 55. ki them vao so bi tru 9 don vi thi hieu cua hai so la bao nhieu ??
hieu cau hai so la 28 . khi them vao so tru 8 don vi thi hieu cua hai so do la bao nhieu ??
co bao nhieu so tu nhien co hai chu so ma chu so hang chuc nho hon chu so hang don vi
hay cho biet co tat ca bao nhieu so co 2 chu so ma 2 chu so cua moi so do kem nhau 6 don vi
A hai so do co cung so tram va so chuc nhung cac so don vi hon kem nhau 5 don vi . Hoi hai so do hon kem nhau bao nhieu don vi B hai so do co cung so chuc va so don vi nhung hai so tram hon kem nhau 3 don vi .Hoi hai so do hon kem nhau bao nhieu don vi
TIM MOT SO KHI BIET SO DO TRU DI 34 THI BANG SO LON NHAT CO HAI CHU SO MA HIEU HAI CHU SO BANG 8
Hai so co hieu bang 43 neu giu nguyen so bi tru va them vao so tru 7 don vi thi hieu moi bang bao nhieu???