혼합계산 : 레벨2
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혼합계산: 레벨227
1
(7+2)/1-1
=
8
2
(3X1)-2/2
=
2
3
5-(1+2)+1
=
3
4
8-3-(5-3)
=
3
5
4+8X(7/1)
=
60
6
5-(9/9)X4
=
1
7
9-(2X2)+5
=
10
8
2+(8-1)-7
=
2
9
6+(4+3)-9
=
4
10
1+(5+5)/2
=
6
11
5X(1+3)+5
=
25
12
1/7X(7X8)
=
8
13
(2+3)/1+3
=
8
14
9-4+(7X5)
=
40
15
4X(3X7)+2
=
86