Sau khi tăng số bé 13 đơn vị thì hiệu hai số là:
175 - 13 = 162.
Sơ đồ:
Số bé sau khi tăng 13 đơn vị: |----|----|----| 162
Số lớn: |----|----|----|----|----|
Hiệu số phần bằng nhau là:
5 - 3 = 2 ( phần )
Số lớn là:
162 : 2 x 5 = 405
Số bé là: 405 - 175 = 230
ĐS:...
hieu hai so la 275 khi so be tang them 23 don vi va giu nguyen so lon thi so be bang 2/3 so lon . tim hai so ban dau
Hieu cua hai so la 175.neu so be la 13 don vi va giu nguyen so lon bang \(\frac{5}{3}\)so be moi.Tim so ban dau.
hieu cua 2 so la 62,8.neu tang so lon them 2,6 don vi va giam so be di 4,3 don vi thi 2 lan so lon moi bang 3 lan so be moi.so lon ban dau la....
hieu cua hai so la 62,8 . neu tang so lon them 2,6 don vi va giam so be di 4,3 don vi thi hai lan so lon bang 3 lan so be . tim so lon
hieu cua hai so la 62,8 . neu tang so lon them 2,6 don vi va giam so be di 4,3 don vi thi hai lan so lon bang 3 lan 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.
hai so co tong la 270 so lon hon so be 30 don vi neu tang so be them 72 don vi thi phai them vao so lon bao nhieu don vi de ty so moi van bang ty so cua hai so ban dau
hai so co tong la 270 so lon hon so be 30 don vi neu tang so be them 72 don vi thi phai them vao so lon bao nhiêu don vị de ty so cua hai so moi van bang ty so cua hai so ban dau
tong cua hai so bang 222. biet neu tang so lon them 8 don vi va giam so be di 5 don vi thi so lon gap doi so be. tim so lon?
