혼합계산 : 레벨2
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혼합계산: 레벨262
1
(2X7)+4X6
=
38
2
4-4+(7+2)
=
9
3
1-1+(4/2)
=
2
4
5X4+(2+9)
=
31
5
(6+5)-2-5
=
4
6
5+(9+6)-5
=
15
7
2X(5+6)-2
=
20
8
2-1+(8+3)
=
12
9
4/3X(5X3)
=
20
10
(4X4)-1-1
=
14
11
(6-2)X5-2
=
18
12
(8-3)-3+9
=
11
13
(6X4)-6/1
=
18
14
2X(2X6)-1
=
23
15
1+(8+5)X3
=
40