혼합계산 : 레벨2
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혼합계산: 레벨230
1
3X(3+1)-6
=
6
2
8X4-(5X3)
=
17
3
(9X3)X3X6
=
486
4
(3/3)/4X8
=
2
5
1-4+(1+5)
=
3
6
(3+1)X7/2
=
14
7
9+(3+2)X1
=
14
8
2+(6-3)X4
=
14
9
4+(4+2)-2
=
8
10
(8-3)X7X4
=
140
11
(5+9)X5-2
=
68
12
3X(6+1)-1
=
20
13
9X2X(8-5)
=
54
14
(4+5)X3+9
=
36
15
(4+1)/1-2
=
3