혼합계산 : 레벨2
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혼합계산: 레벨219
1
(1X9)+8-5
=
12
2
5+(4X1)X4
=
21
3
3X3-(2X3)
=
3
4
(2X7)+9+6
=
29
5
4-3+(6X5)
=
31
6
2X6-(8-1)
=
5
7
2+2-(3X1)
=
1
8
5+2+(3+1)
=
11
9
1+(5+5)-8
=
3
10
(4X3)+9+7
=
28
11
1+(3+8)-2
=
10
12
3X8X(1/1)
=
24
13
(9+3)X1X1
=
12
14
9/5X(2+8)
=
18
15
2+2+(9+1)
=
14