Răspuns:
1) a)x=3735:45
×=1178:62
b)x=194:32
×=3816:9
c)x=822×34
x=656×72
ex1
a) x×45=3735
x=3735:45
x=83
62×x=1178
x=1178:62
x=19
b)x=6208
x=34371
c)x=83
x=23
ex.2
a×b=28, r6
împărțitor = 6:3=2
a:2=28, r6
a=14,
ex3
triplu 175= 175×3=525
a+525=814
a=814-525
a=28î
