혼합계산 : 레벨2
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혼합계산: 레벨223
1
(3X7)X6X2
=
252
2
6X(5X7)X4
=
840
3
8+1+(9-3)
=
15
4
9+(8+4)-4
=
17
5
4-1+(2+1)
=
6
6
2X6/(3X2)
=
2
7
(3X5)X9+3
=
138
8
(4X3)-2X4
=
4
9
(5/1)-7+5
=
3
10
1+1X(9-5)
=
5
11
(9-2)X5+1
=
36
12
6/(5+1)+9
=
10
13
8X(9-4)X6
=
240
14
(2X5)+7X6
=
52
15
(5X4)-3X6
=
2