혼합계산 : 레벨2
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혼합계산: 레벨271
1
1X(2+8)-1
=
9
2
9X(7+8)/5
=
27
3
4+(6-1)-1
=
8
4
6X(1X3)-8
=
10
5
(5X3)X1X7
=
105
6
7+4X(9X1)
=
43
7
(8/1)X4-4
=
28
8
4X(2+8)-4
=
36
9
3X(3+5)+5
=
29
10
(5-4)+4X1
=
5
11
4+3X(2+7)
=
31
12
(4+3)+5-5
=
7
13
(7-2)-3+5
=
7
14
4+1X(8-7)
=
5
15
2+(7+8)-6
=
11