혼합계산 : 레벨2
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혼합계산: 레벨246
1
4X(6+8)-1
=
55
2
2+5+(6+2)
=
15
3
9X(2-1)X4
=
36
4
3X4/(1+3)
=
3
5
(4/2)X9X3
=
54
6
6+5X(1+3)
=
26
7
3X(2X7)+5
=
47
8
(8X3)-6+3
=
21
9
3X(8+9)+3
=
54
10
(6+1)/1+5
=
12
11
7-3+(7-5)
=
6
12
(3X3)+1-3
=
7
13
(5+4)+8X1
=
17
14
1+(4X5)+2
=
23
15
6-4X(3-2)
=
2