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혼합계산 : 레벨2

1
(1X8)/4+1
=
3
2
1X1+(9X2)
=
19
3
(1X8)-5+9
=
12
4
4+9+(8+3)
=
24
5
(3+9)X5-4
=
56
6
2X(2+1)X4
=
24
7
7+7-(6-1)
=
9
8
(5X7)+4+9
=
48
9
(8+7)/3+2
=
7
10
4+(8/1)/2
=
8
11
4-(2X2)+5
=
5
12
(3X2)-7+6
=
5
13
(5X1)/1X7
=
35
14
7+(6-1)-7
=
5
15
(5X8)X4+2
=
162