Răspuns :
a-b=157
a:b=5 r 17 a=5b+17
5b-b+17 = 157
4b=157 -17
4b=140
b=140:4
b=35
a=5×35 +17 = 175 +17 = 192
a:b=5 r 17 a=5b+17
5b-b+17 = 157
4b=157 -17
4b=140
b=140:4
b=35
a=5×35 +17 = 175 +17 = 192