혼합계산 : 레벨2
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혼합계산: 레벨257
1
7+5X(4/1)
=
27
2
(4/2)X7X1
=
14
3
(2+8)+3+2
=
15
4
3X4/(6X1)
=
2
5
9-1+(4+1)
=
13
6
(4X4)+5+2
=
23
7
1X(6/2)+1
=
4
8
(3X6)-2X8
=
2
9
(3+2)+2X4
=
13
10
5X(7+4)X7
=
385
11
(7+5)+5+4
=
21
12
9-2X(2X2)
=
1
13
2+7-(3+1)
=
5
14
9X(9X4)/1
=
324
15
3+(5/1)-2
=
6