혼합계산 : 레벨2
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혼합계산: 레벨216
1
6+1-(1+5)
=
1
2
9-1-(1X7)
=
1
3
(1X4)/1X7
=
28
4
8/3X(3/1)
=
8
5
5-7/(5+2)
=
4
6
(6-5)+7X3
=
22
7
3X5X(8-4)
=
60
8
4-(3-2)+5
=
8
9
(3+7)/3X3
=
10
10
(1+2)+4/1
=
7
11
(3X4)/1/4
=
3
12
(2+8)-9+2
=
3
13
(9+2)-2/1
=
9
14
5+(2X4)-4
=
9
15
4-(3-1)+2
=
4