А = -5+7 и b = 3\2 * 4\6. b-a

Question

А = -5+7 и b = 3\2 * 4\6. b-a

Answer 1

А = -5+7=2;/// и b = 3\2 * 4\6=2/2=1;/// b-a= 1-2=-1

Answer 2

-5+7=2    3/2*4/6=1
a=2   b=1
b-a=1-2=-1