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혼합계산 : 레벨2

1
(2/2)X4X7
=
28
2
6/3X(5+3)
=
16
3
2X(8+4)+8
=
32
4
4+(4+7)+1
=
16
5
1+(2X6)+8
=
21
6
1X(9-2)-1
=
6
7
(2X8)/6X3
=
8
8
(3X6)/1X7
=
126
9
1+5-(4X1)
=
2
10
(6X7)-2-3
=
37
11
(2X3)+6+8
=
20
12
(3X8)X3X6
=
432
13
(9+3)X2+3
=
27
14
5+(4-2)X3
=
11
15
(3X5)X2-3
=
27