hieu hai so la 64. tim so be biet so be hon 1/7 so lon la 2
hieu 2 so la 64 tim so be biet so be hon 1/7 so lon la 2 tim so be
Ai nhanh mình tích nhớ có cả cách làm
1. trong 1 phep chia co thuong la 3 va so du la 24 va biet hieu giua so bi chia va so chia la 218. tim so bi chia va so chia
2. biet trung binh cong hai so lon hon so be 24 don vi . biet so lon hon so be 24 don vi. biet so lon la 68 . tim so be
hieu 2 so la 1,4 tim 2so biet 2lan so lon lon hon so be la 6,3
Hieu 2 so la 1,4. Biet rang 5 lan so be hon 3 lan so lon la 18,6. Tim 2 so do.
tim hai so biet so lon cong so be cong hieu cua chung bang 1470
ma hieu hon so be la 243
cho 1 phep tru 2 so tu nhien. Tim 2 so do, biet tong cua so lon, so be va hieu 2 so do la 1470, so be kem hieu 2 so la 243
hieu cua hai so la 17.6 biet 6 lan so lon hon 4 lan so be 176.4 tim tong 2 so
cho 2 so biet so lon la 7/2 va lon hon trung binh cong cua 2 so la 1.4 tim so be