혼합계산 : 레벨2
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혼합계산: 레벨221
1
6-5+(4+8)
=
13
2
8+(9-1)X2
=
24
3
(3X9)-3-1
=
23
4
8-(2X1)+1
=
7
5
1X4X(2+5)
=
28
6
1X1X(4X3)
=
12
7
2+3X(9X1)
=
29
8
8-(4X4)+9
=
1
9
3X8X(2X3)
=
144
10
(5X5)+5+9
=
39
11
(3X4)-1/1
=
11
12
4X(2/2)X5
=
20
13
7/1+(5-3)
=
9
14
9+7X(2+1)
=
30
15
9+(3-2)-8
=
2