Ответ:
10+7=17; 12−2=10; 2+10=12; 11−1=10; 10+3=13; 17−10=7; 10+1=11; 17−7=10; 15−5=10; 10+2=12; 10+3=13; 18−10=8; 4+10=14; 10+6=16; 10+8=18; 15−10=5.
10+7=17; 12−2=10; 2+10=12; 11−1=10; 10+3=13; 17−10=7; 10+1=11; 17−7=10; 15−5=10; 10+2=12; 10+3=13; 18−10=8; 4+10=14; 10+6=16; 10+8=18; 15−10=5.