Question

*URGENTE*


82-8.7:(4-1.3)

25-[10-(2.3+1)

70-[12+(5.2-1)+6]

8:2+[15-(4.2+1)]

9+[4+2.(6-4)+(2+5)]-8

Answer 1

82-8.7:(4-3)
82-56:4-3
82-14-3
65

25-10-(2.3+1)
25-10-6+1
9+1
10

70-[12+(5.2-1)+6]
70-[12+10-1+6]
70-[12+9+6]
70-27
37

8:2+[15-(4.2+1)]
8:2+[15-8+1]
8:2+8
4+8
12

9+[4+2.(6-4)+(2+5)]-8
9+[4+2.2+7]-8
9+[4+4+7]-8
9+15-8
9+7
16