Răspuns :
6x8+5x9 =48+45=93
8x8+7x7=64+49=113
9x9-5-7=81-5-7=76-7=69
7x8+4x6=56+24=80
8x9-4x9=72-36=36
9x7-8x7=63-56=7
7x6+7x7=42+49=91
8x8+7x7=64+49=113
9x9-5-7=81-5-7=76-7=69
7x8+4x6=56+24=80
8x9-4x9=72-36=36
9x7-8x7=63-56=7
7x6+7x7=42+49=91