Question

am nevoie pana diseara dau coroana​

Answer 1

Răspuns:

15:5=3 a:b=3

15×5=75 a×b=75

45:15=3 deci b=3 a:b=15

45×3=135 a×b=135

60:3=20 deci a=20 a×b=60

20:3=6(rest 3) a:b=6(rest 3)

96:32=3 deci b=3 a:b=32

96×3=288 a×b=288

81:3=27 deci a=27 a×b=81

27:3=9 a:b=9