tich 3×3×3×…×3 ( co 2011thua so ) ket qua co chu so tan cung la so nao ?
ket qua phep tinh:1991x1992x1993x1994+1995x1996x1997x1998x1999.co tan cung la chu so may?
1.Ket qua cua day tinh:1991x1992x1993x1994+1995x1996x1997x1998x1999 co tan cung la chu so
2.So chan be nhat co 6 chu so khac nhau la......
3.So du trong phep chia 3,6:0,57 la bao nhieu neu thuong cua phep chia do chi lay den 2 chu so o phan thap phan
4.55,5% cua 1 so la 2442 :.......
5.Mot to cong nhan co 8 nguoi du dinh lam xong 1 cong viec trong 6 ngay.Vi muon hoan thanh som hon nen nguoi ta bo xung them 4 nguoi nua cung lam.Hoi to cong nhan do hoan thanh cong viec som hon du dinh la bao nhieu ngay
Lam dung minh tick.Ok!
bai 1 : Tim hieu cua hai so, biet rang so lon them 735 don vi va so ben them 449 don vi thi duoc hieu moi la 2000.
Bai 2 : Khi thuc hien phep tru hai so, mot ban da so y viet sai nhu sau : o so bi tru co hai chu socuoi cung la 35 da viet thanh 53 nen phep tru sai co ket qua la 1234. Tim hieu dung cu ahia so do.
Bai 3 : TIm mot so biet rang so do cong voi so lon nhat co ba chu so khac nhau roi cong tiep voi so be nhat co bon chu so khac nhau thi duoc so be nhat co nam chu so.
Bai 4 ; Cho ba chu so tu nhieu A ; B ; C. Biet rang tong cua A va B la 492 ; tongg cua B va C la 936 ; tong cua C va A la 714. Tim ba so do.
Bai 5 : HAi kho chu atat ca 2500 tan thoc. Sau khi lay ra o moi kho so tan thoc nhu sau. thi kho thu nhat con 800 tan va kho thu hai con 500 tan. Hoi luc dau moi kho chua bao nhieu tan thoc?
tim chu so tan cung cua tich sau : 1*3*5*7 .....*57*59
tra loi : chu so tan cung cua tich tren la ...
Khi chia 1 so thap phan ma co chu so o hang thap phan la 5 cho 125, 1 ban bo quen chu so 1 o hang don vi cua so thap phan , vi vay ket qua giam di 45,008 don vi.Tim so thap phan biet ket qua cua ca 2 truong hop deu la so chia het.
1 Ket qua cua 18+5/10+7/100 viet la
2 Viet 17,08 thanh hon so
3 5,67 tan=...kg
4 3m 8cm=...m[viet theo kieu so thap phan nha]
5.0,15 km=...m
Tra loi gip mik,ai tra loi het thi mik like
khi cong mot so tu nhien voi 305 mot hoc sinh da bo quen chu so 0 cua so hang thu 2 nen ket qua la 380 .tim ket qua dung
cho 2 so 18 va 6 .Neu chia hieu cua 2 so do cho tong cua chung thi se duoc ket qua la bao nhieu