혼합계산 : 레벨2
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혼합계산: 레벨210
1
1+(1+2)X2
=
7
2
4+(8X3)-5
=
23
3
(5-1)-2/1
=
2
4
5+7-(3+3)
=
6
5
1+3-(2+1)
=
1
6
(9+3)-7+3
=
8
7
1+5+(6X1)
=
12
8
5X(7+9)X4
=
320
9
(5X3)-5X1
=
10
10
5+7-(8-1)
=
5
11
(8X9)X3-5
=
211
12
4-5/(2+3)
=
3
13
(7/1)+2+2
=
11
14
3+(3X1)X3
=
12
15
2+2+(6+8)
=
18