Tổng của hai số là:
185x2 = 370
Số bé là:
(370-24):2 =173
Số lớn là:
370- 173= 197
tong hai so la :
185 *2 = 370
so be la :
[ 370 - 24 ]: 2 = 173
so lon la :
370 - 137= 179
biet trung binh cong cua hai so bang 185 va biet so lon hon so be 24 don vi. tim hai so do
tim 2 so biet so lon hon so be 12 don vi va trung binh cong cua 2 so do la 24
1. trong 1 phep chia co thuong la 3 va so du la 24 va biet hieu giua so bi chia va so chia la 218. tim so bi chia va so chia
2. biet trung binh cong hai so lon hon so be 24 don vi . biet so lon hon so be 24 don vi. biet so lon la 68 . tim so be
trung binh cong cua 2 so bang 186 . so lon hon so be36 don vi . tim so be
TRUNG BINH CONG CUA HAI SO LA 23,8 BIET SO THU NHAT LON HON SO THU HAI 4,5 DON VI TIM SO THU NHAT
tim hai so biet tong hai so do bang 125% so lon hieu cua hai so lon hon so be 57 ,5 don vi
bai 1 tim hai so khi biet hieu cua chung bang 8.7 va biet khi nhan so be voi 4 nhan so lon voi 3 thi duoc hai tich bang nhau
bai 2 trung binh cong cua hai so bang 189.6 tim so lon biet so lon hon so be 24.5 don vi
bai 3 tim 2 so biiet thuong cua chung bang 0.6 hieu cua chung bang 7.2
ai giai giup voi toi voi viet dap an ra nhe hoac guib ca bai giai nhe thi toi tick 100 cai luong luc nao gap toi cung tick chi can giain cho toi thoi nhe cam on cac ban
TIM 2 SO BIET RANG TRUNG BINH CONG CUA HAI SO DO BANG 125 VA BIET HIEU CUA CHUNG BANG 32
TIM SO BE VA SO LON
1 .trung binh cong cua hai phan so la 5/12 .neu tang phan so thu nhat gap 2 lan thi trung binh cong cua chung bang 2/3 .tim hai phan so do .
2.trung binh cong cua ba phan so la 13 /36 .neu tang phan so thu nhat gap 2 lan thi trung binh cong cua chung bang 19/36 ,cho biet phan so thu hai lon hon phan so thu ba 1 /12. tim ba phan so do .
