혼합계산 : 레벨2
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혼합계산: 레벨237
1
(3+7)-6+5
=
9
2
9+1-(8-3)
=
5
3
7X7-(1+1)
=
47
4
7/(3+1)X4
=
7
5
4X(9+6)-1
=
59
6
5-2-(9-7)
=
1
7
2+6-(3+4)
=
1
8
(9-1)+7-5
=
10
9
(3X4)X2X7
=
168
10
5X(3+4)X2
=
70
11
6+(2+4)-8
=
4
12
5X7-(3+9)
=
23
13
6+(4X5)/4
=
11
14
(6/2)-3+8
=
8
15
5X(2X7)X6
=
420