혼합계산 : 레벨2
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혼합계산: 레벨235
1
7X5X(5+2)
=
245
2
(8-7)+2X5
=
11
3
3+(8X2)X5
=
83
4
2+4X(2X5)
=
42
5
7X3+(6-4)
=
23
6
5X(1X5)+3
=
28
7
(5+7)+4/2
=
14
8
4-5+(5+1)
=
5
9
9+(7-2)-8
=
6
10
7X(5+5)+8
=
78
11
(5+2)-3+3
=
7
12
(6X5)X2X5
=
300
13
5+5/(8-3)
=
6
14
(9-3)X5+7
=
37
15
3+(9X7)+3
=
69