혼합계산 : 레벨2
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혼합계산: 레벨211
1
1X(1+7)+1
=
9
2
(9-1)X7+8
=
64
3
3X9+(2/1)
=
29
4
7/3X(9X3)
=
63
5
(6X3)-1X1
=
17
6
(7+1)-2+9
=
15
7
(1X5)X3-5
=
10
8
5X5X(4-2)
=
50
9
8X(2X7)/4
=
28
10
(6X4)X2+1
=
49
11
(4/4)X3X5
=
15
12
(7X5)/5+5
=
12
13
9X1X(1+4)
=
45
14
4+(9/1)+9
=
22
15
3+(4X4)X2
=
35
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