Số bé : |---------------------------|
Số lớn : |---------------------------|------|
Số bé là : (2010 - 10) : 2 = 1000
Số lớn là : 1000 + 10 = 1010
Giup minh cai.....
Hieu cua hai so la 738 . Tim hai so do , biet rang so thu nhat giam 10 lan thi duoc so thu hai . Toan lop 4 nhe cac ban .......
Tong cua 2 so la so tu nhien bang 1092 . Neu o so hang thu nhat lan luot thay chu so hang don vi la 9 thanh 3 ,that chu so hang chuc la 7 thanh 1 thi duoc so hang thu hai .Tim hai so do ? ming cac ban giup minh giai bai toan nay nhe va nho co ca loi giai nha cac ban nhe ?
tong cua hai so la 25750.neu them so be 125 don vi va giam so lon 90 don vi thi so be bang 2/3 so lon tim hai so do .nho viet loi giai ra ro rang nhe cac ban
bai 1 ; tuoi cua anh va tuoi cua em cong lai la 34 tuoi . Anh hon em 6 tuoi . Tinh tuoi cua moi nguoi
bai 2 ; mot thua ruong hinh chu nhat co chu nvi la 360 m , chieu rong be hon chieu dai la 20m . Tinh dien tich thua ruong
bai 3 ; tong cua hai so chan la 45 . Tim hai so do , biet rang giua chung chi co 5 so le
bafi 4 ; tong cua cac chu so cua mot so co hai chu so bang 11 . Neu thay doi thu tu cua cac chu so thi da cho tang them 27 don vi . Tim so do
giai ho minh nhe
tong cua hai so la 96 neu giam so thu nht di 7 lan duoc so thu hai tim hai so do nho ve ca so do nhe
Hieu cua hai so la 85. Ti so cua hai so do la 3/8.Tim hai so do.(nho ve so do)
Bach do Chien:
"do ban tim duoc so tron chuc lon hon 40.000 co cac chu so khac nhau ma tong cac chu so cua so do bang 10.Khi cong so do voi so viet theo thu tu nguoc lai thi duoc mot so co 5 chu so giong nhau.
Chien thach thuc:
-Neu tim duoc so do thi sao?
-Thi to cho cau di an kem tha cua chu sao.
nham mot lat,roi viet ngay hai so do ra giay.Chien than phuc roi dua ban di an kem.
cac ban cung thu suc nhe
bai7: Trung binh cong cua hai so la 35. So lon gap 6 lan so be. Tim hai so do?
giup minh voi
minh tich tat ca cac ban tra loi
dang can gap xin cac ban day
mot so co hai chu so biet tong cac chu so cua no la 8 hieu cac chu so cua cua no la 4 va chu so hang chuc lon hon hang don vi so do la so nao
