А) (64+72):8= - : - + - : - = - (36+81):9=4 - : - + - = - (63+49):7= - : - + - = - (45+35):5= - : - + - = - б) (54+48):6= - : - + - : - = - (42+70):7= - : - + - : - = - (72+81):9= - : - + - : - = - (56+32)//=56/8+32/8=11
Какое задание?????
А) 64:8 + 72:8 = 8 + 9 = 17 36:9 + 81:9 = 4 + 9 = 13 63:7 + 49:7 = 9 + 7 = 16 45:5 + 35:5 = 9 + 7 = 16 б) 54:6 + 48:6 = 9 + 8 = 17 42:7 + 70:7 = 6 + 10 = 16 72:9 + 81:9 = 8 + 9 = 17