혼합계산 : 레벨2
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혼합계산: 레벨212
1
5/5X(7-2)
=
5
2
(1X5)+3X3
=
14
3
(9+2)+1X4
=
15
4
1X3X(7+6)
=
39
5
(9X2)+3/1
=
21
6
7X7-(3-2)
=
48
7
8X(9-7)X4
=
64
8
(7X5)X5-1
=
174
9
(4X4)+1+7
=
24
10
(4X8)-5X1
=
27
11
6+5/(1+4)
=
7
12
8X8/(5-4)
=
64
13
4+7X(1+2)
=
25
14
(6X4)X2X2
=
96
15
(9-2)-3+1
=
5