혼합계산 : 레벨2
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혼합계산: 레벨242
1
(4+2)+4-4
=
6
2
8+2+(6-3)
=
13
3
2/9X(3+6)
=
2
4
3-1+(5/1)
=
7
5
(4+8)X4/2
=
24
6
8+1-(5-4)
=
8
7
9X2+(9-1)
=
26
8
(5X6)+8+1
=
39
9
(2X2)+3X9
=
31
10
(2X3)-1+4
=
9
11
(2+5)X2-4
=
10
12
(7+6)-1X4
=
9
13
4X(3X6)/4
=
18
14
(7X8)X1-7
=
49
15
1X7-(5-1)
=
3