Các câu hỏi tương tự
mot nguoi mua 1.5 kg gao nep het 10800 dong nguoi do mua them 1luong gao te gap ruoi luong gao nep voi gia tien 1kg gao te chi bang 2 phan 3 gia tien 1kg gao nep .Hoi nguoi do mua gao het tat ca bao nhieu tien
Hai nguoi di mua gao.Nguoi thu nhat mua nep ,nguoi 2 mua gao te.gia gao te gie hon gao nep la 24/100.Biet khoi luong gao te nguoi 2 mua nhieu hon khoi luong gao nep la 20/100.Hoi nguoi nao tra tien it hon?It hon may phan tram so voi nguoi kia?
gia dinh bac An muon mua 1 chiec TV moi, bac An da tham khao gia o 2 cua hang ve cung 1 loai TV minh thich.gia niem yet cua 2 cua hang nhu nhau nhung vao dip dau nam nen:cua hang A thong bao khuyen mai giam gia 15% va tang them 800 000 dong ;cua hang B khuen mai giam gia 20%.bac An da mua TV o cua hang A va tinh ra tiet kiem duoc 200 000 dong so voi so tien neu mua 1 chiec TV nhu the o cua hang B a) gia niem yet cua chiec TV la bao nhieu?b)tinh xem voi so tien bo ra de mua TV bac An da duoc giam...
Đọc tiếp
gia dinh bac An muon mua 1 chiec TV moi, bac An da tham khao gia o 2 cua hang ve cung 1 loai TV minh thich.gia niem yet cua 2 cua hang nhu nhau nhung vao dip dau nam nen:cua hang A thong bao khuyen mai giam gia 15% va tang them 800 000 dong ;cua hang B khuen mai giam gia 20%.bac An da mua TV o cua hang A va tinh ra tiet kiem duoc 200 000 dong so voi so tien neu mua 1 chiec TV nhu the o cua hang B
a) gia niem yet cua chiec TV la bao nhieu?
b)tinh xem voi so tien bo ra de mua TV bac An da duoc giam gia bao nhieu phan tram?
AI NHANH NHAT DUOC 3 TICK
Gia dinh bac An muon mua mot chiec TV moi, bac An da tham khao gia o 2 cua hang ve cung 1 loai TV minh thich. Gia niem yet cua 2 cua hang la nhu nhau nhung vao dip cuoi nam nen: Cua hang A thong bao khuyen mai giam gia 15% & tang them 800 000 dong; Cua hang B thong bao khuyen mai giam gia 20%.Bac An da mua TV o cua hang A & tinh ra tiet kiem duoc 200 000 dong so voi so tien neu chiec TV o cua hang B.a) Gia chiec TV duoc niem yet la bao nhieu tien? ( niem yet la gia ban dau )b) Tinh xem voi so...
Đọc tiếp
Gia dinh bac An muon mua mot chiec TV moi, bac An da tham khao gia o 2 cua hang ve cung 1 loai TV minh thich. Gia niem yet cua 2 cua hang la nhu nhau nhung vao dip cuoi nam nen: Cua hang A thong bao khuyen mai giam gia 15% & tang them 800 000 dong; Cua hang B thong bao khuyen mai giam gia 20%.
Bac An da mua TV o cua hang A & tinh ra tiet kiem duoc 200 000 dong so voi so tien neu chiec TV o cua hang B.
a) Gia chiec TV duoc niem yet la bao nhieu tien? ( niem yet la gia ban dau )
b) Tinh xem voi so tien bo ra de mua TV bac An da duoc giam gia bao nhieu phan tram?
THEO CHUONG TRINH VNEN TRUONG THCS NGO QUYEN
hai nguoi di mua gao.nguoi thu nhat mua gao nep , nguoi thu hai mua gao te.gia gao te re hon gia gao nep la 20%.biet khoi luong gao te nguoi thu hai mua nhieu hon khoi luong gao nep la 20%.hoi nguoi nao tra it tien hon , it hon bao nhieu % so voi nguoi kia
trung binh xay xat 100kg thoc thi thu duoc 70kg gao.tuc la ti so phan tram cua gao va thoc la 70%.hay tinh so gao thu duoc khi xay xat 150kg thoc?
Gia hang luc dau tang 20 % va sau do giam 20% .hoi gia ban dau va gia cuoi gia nao re hon va re hon bao nhieu phan tram
neu canh hinh vuong tang 20% thi dien tich tang bao nhieu phan tram
tram trau tram co .trau dung 1 phan 5 .trau nam 1 phan 3 .lu khu trau gia .3 con 1 mo .hoi co ? trau dung ,nam ,gia