MOT GV

THEO DOI THOI GIAN LAM MOT BAI TAP CUA 30 HS

DAU HIEU?

LAP BANG TAN SO NHAN XET

TINH SO TRUNG BINH CONG

BIAU DIEN BANG BIEU DO DOAN THANG

cau 1 ve bieu do the hien dan so chau a so voi the thoi

cau 2 ke ten cac doi khi hau o chau a ,giai thich su khac nhau giua gio mua va luc dia

cau 3 trinh bay nen nong nghiep ,cong nghiep dich vu chau a

cau 4 tim hieu cac quoc gia nhat ban prulay han quoc thai lan va ve bieu do thu nhap binh quan o 1 so nuoc quoc gia

bai kiem tra 45' giup ti nha dia ly 8 do

Phat bieu Ve hinh va ghi gia thietb,ket luan ki hieu tinh chat 2 dg thang song song

Phat bieu ve hinh va ghi gia thiet, ket luan duoi dangki hieu dau hieu nhan biet 2dg thang sog song

Nhanh nhe cac ban

hinh ben la bieu do cho biet ti le so luong gao ban the 4 qui trong ca nam cia mot cong ty nong san. tinh so luong gao ban o qui 2 va qui 3. biet so gao ban ra o qui 4 la 96 tan.

minh ko biet ve bieu do nen minh viet vay luon nha.

qui 4 ?

qui 1 25%

qui 2 15%

qui 3 28%.

2 so thap phan co hieu la 10,2 khi cong hai so do voi nhau ma ban binh da dich nham dau phay cua so lon sang trai 1 hang nen tong tim duoc la 28,74 tim tong dung cua 2 so thap phan do

khi nhan  254 voi so co 2 chu so giong nhau ban binh da dat cac tich rieng thang cot nhu trong phep tinh cong nen tim ra ket qua so voi tich dung giam di 16002 don vi . hay tim so co 2 chu so do

chung to rang: Neu cong cac gia tri cua dau hieu voi cung mot so thi so trung binh cua dau hieu cung duoc cong voi so do

chung to rang: Neu cong cac gia tri cua dau hieu voi cung mot so thi so trung binh cua dau hieu cung duoc cong voi so do