혼합계산 : 레벨2
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혼합계산: 레벨220
1
7+5X(3X7)
=
112
2
3X3X(7-1)
=
54
3
2+4+(7X8)
=
62
4
6+(4+4)/8
=
7
5
(1X3)X5X1
=
15
6
(9+3)/4X6
=
18
7
(4+1)X4/4
=
5
8
2+7+(6X1)
=
15
9
3X(1+8)+7
=
34
10
(5+5)X2-8
=
12
11
5-3X(4-3)
=
2
12
4+(4X3)+7
=
23
13
8+(6+3)+2
=
19
14
2X(5+2)/2
=
7
15
(4X8)X1+2
=
34