혼합계산 : 레벨2
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혼합계산: 레벨234
1
4X(6+4)-2
=
38
2
(9X4)-1X4
=
32
3
(7X5)+6X5
=
65
4
2X(8-5)X1
=
6
5
(7X6)/2+4
=
25
6
8/4X(1X3)
=
6
7
5X4X(9X3)
=
540
8
6/3X(2X1)
=
4
9
(7-3)+2+3
=
9
10
(3+4)+6X8
=
55
11
7+2+(3X3)
=
18
12
1+4+(8-2)
=
11
13
(7X4)-4-9
=
15
14
6X(3+6)+2
=
56
15
7X(8/4)/2
=
7