Question

Aflati numerele necunoscute : a×3=39, a×6=126,8×b=88,7×b=140,85:c=5,752:c=8,,x:9=72,,x:8=135 repede coroana !!!!!!!!!!!

Answer 1

ax3=39
a=39:3
a=13

ax6=126
a=126:6
a=21

8xb=88
b=88:8
b=11

7xb=140
b=140:7
b=20

85:c=5
c=85:5
c=17

752:c=8
c=752:8
c=94

x:9=72
x=72x9
x= 648

x:8=135
x=135x8
x=1080