혼합계산 : 레벨2
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혼합계산: 레벨246
1
9+4X(3+1)
=
25
2
1+4/(2X2)
=
2
3
(1X6)+6X2
=
18
4
(7X3)-7-3
=
11
5
(3+9)/4X4
=
12
6
4X6X(1X5)
=
120
7
9+2X(5/5)
=
11
8
8/1-(2/2)
=
7
9
4+5+(4+3)
=
16
10
2-1+(4/4)
=
2
11
2/6X(3X4)
=
4
12
9X(2X3)+1
=
55
13
5+(7-1)X4
=
29
14
4+(5+5)X7
=
74
15
(4X4)-6+8
=
18