혼합계산 : 레벨2
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혼합계산: 레벨234
1
1-4+(4+3)
=
4
2
9+8+(9+4)
=
30
3
6X(1+2)+7
=
25
4
(5+7)X2-3
=
21
5
1X2X(4+2)
=
12
6
7-(1X6)+1
=
2
7
4X5+(4+1)
=
25
8
(4-1)-5+7
=
5
9
(4X2)+3/3
=
9
10
4+5+(5X9)
=
54
11
3-(4-2)X1
=
1
12
7+8-(2X6)
=
3
13
4X6X(7X7)
=
1176
14
7X8+(6-4)
=
58
15
(8X2)-5-4
=
7