Question

[bloom tomori shkura cazumi anh]

tim hai so biet tong va hieu cua chung lan luot la a)24va6 b)60va10 c) 325va99 gui bai giai cho minh

Answer 1

[luu quang anh]

so be can tim la:

(24-6):2 =9

so lon can tim la :

24 - 9 = 15 

so be can tim la :

(60-10) :2 =25

solon can tim la :

60 -25 =35

so be can tim la : 

(325-99):2=113

so lon can tim la : 

325 - 113 = 212

chuc ban hoc gioi