Răspuns :
6975+n*5=7010 64:r+9540=9548
n*5=7010-6975 64:r=9548-9540
n*5=35 64:r=8
n=35:5 r=64:8
n=7 r=8
n*5=7010-6975 64:r=9548-9540
n*5=35 64:r=8
n=35:5 r=64:8
n=7 r=8
279x25+nx5=7010
6975+nx5=7010
nx5=7010-6975
nx5=35
n=35:5
n=7
64:r+530x18=9548
64:r+9540=9548
64:r=9548-9540
64:r=8
r=64:8
r=8
6975+nx5=7010
nx5=7010-6975
nx5=35
n=35:5
n=7
64:r+530x18=9548
64:r+9540=9548
64:r=9548-9540
64:r=8
r=64:8
r=8