phải ra 56 mình thi ở violimpic rồi
phải ra 56 mình thi ở violimpic rồi
ieu 2 so la 164 neu bot moi so di 15 don vi thi so thu 2 gap 5 lan so thu nhat tim 2 so
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.
hai so thap phan co tong bang 88.8 . neu them vao so thu nhat 5.4 don vi va bot di o so thu hai la 7 don vi duoc thi so thu nhat se gap 4 lan so thu hai
Tim hai so biet so thu nhat bang 2/5 so thu hai. Biet rang neu them vao so thu nhat 13 don vi va bot o so thu hai di 8 don vi thi hieu cua chung la 6.
Hai so thap phan co hieu la 17.35.neu them vao so thu hai 0.25 don vi thi so thu nhat se gap 4 lan so thu hai.Tim hai so thap phan do
tich cua hai so la 34650,neu gap thua so thu nhat len 3 lan va giam thua so thu hai di 2 lan thi tich moi cua 2 thua so se la:
1.tong cua ba so la 615.biet so thu hai hon so thu nhat 30 don vi nhung lai kem so thu ba 15 don vi.
Vay so thu nhat la:
2.Tong cua hai so la 222. biet rang neu cung them vao moi 9 don vi thi so lon se gap doi so be. So lon la:
3.{2012nhan 99-1006nhan 18} nhan 2013=
tong cua hai so la 10,47 .neu so hang thu nhat gap len 5 lan so hang thu hai gap len 2 lan thi tong moi se la 44,59 tim hai so ban dau
Tong cua 2 so la 10,47.Neu so hang thu nhat gap len 5 lan,so hang thu hai gap len 3 lan thi tong 2 so moi se la 44,59.Tim so ban dau.