hieu hai so bang 120.biet neu cung bot moi so di 19 don vi thi so bi tru gap doi so be
tong cua hai so bang hai tram sau muoi.biet neu cung bot di moi so sau don vi thi so lon gap ba lan so be.tim so be
tong 2 so la 274.biet neu cung bot moi so di 8 don vi thi so lon gap doi so be.tim so lon
Bai 1 : Tong cua hai so la 2000. Neu so hang thu nhat them 135 don vi va so hang thu hai bot 531 don vi thi duoc tong moi la bao nhieu?
Bai 2 : Tim tong hai so biet rang neu so hang thu nhat bot di 246 don vi va so hang thu hai them 642 don vi thi duoc tong moi bang 2010.
Bai 3 : Hieu cua hai so la 1000. Neu so lon them 235 don vi va so be bot 200 don vi thi duoc hieu moi la bao nhieu?
Bai 4 : Hieu cua hai so bang 1234. Neu so lon bot 234 don vi va so be them 456 don vi thi duoc hieu moi la bao nhieu?
Bai 5 ; Tim hieu cua hai so, biet rang so lon va so be cung bot di 100 don vi thi duoc hieu moi la 1000.
TRA LOI CAU HOI SAU:
cau1:1/3 cua 186 bang
cau2:5/4cua 2012 bang
cau3:3/4 cua 192 bang
cau4:hieu hai so bang 246 so be bang 3/5 so lon vay so lon la
cau5:tong hai so bang 222 biet rang neu cung them moi so 9 don vi thi so lon gap doi so be tim so lon
cau6:cho hinh chu nhat co chu vi bang 104cm biet neu giam chieu dai di 2cm va tang chieu rong len 2cm thi no cho thanh hinh vuong so do chieu dai hinh chu nhat la
cau7:tong 2 so bang 260 biet neu cung bot moi so di 6 don vi thi so lon gap 3 lan so be vay so be la
Hieu cua 2 so bang 274 . biet neu cung bot moi so di 8 don vi thi so lon se gap doi so be . Tim so lon
ban nao giai duoc cho 3 like lien luon
khogn can giai chi tiet
tong cua 2 so bang 222 .Biet neu tang so lon them 8 don vi va giam so be di 5 don vi thi so lon se gap doi so be.Tim so lon
Bai 1:Tong cua 2 so bang 222.Biet rang neu cung them vao moi so 9 don vi thi so lon se gap doi so be.Tim so lon
Bai 2: Tim 1 phan so biet tong cua tu so va mau so c phan so do bang 224 va biet phan so do co gia tri bang 75/100
tong hai so bang 222.biet neu tang so lon len 8 don vi,giam so be di 5 don vi.thi so lon se gap doi so be.tim so lon.
giup minh voi nha. duoc thi cam on cac ban