혼합계산 : 레벨2
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혼합계산: 레벨253
1
7+(2+9)-3
=
15
2
6+9-(7+3)
=
5
3
1X5/(4-3)
=
5
4
1X1X(1+4)
=
5
5
4X3/(3+3)
=
2
6
7-(4+4)+3
=
2
7
9-4X(4-3)
=
5
8
7+(5X4)+1
=
28
9
6X8X(1+4)
=
240
10
(3X8)+4-5
=
23
11
5+3+(3+4)
=
15
12
(9+5)-8+1
=
7
13
(8X7)-6X3
=
38
14
5+8+(5X9)
=
58
15
2X7X(7+8)
=
210