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2
a
6
S
87
2
8
9 9
3
8
6
3
3
그
9
615
2
6
By Caroline

2
a
6
S
87
2
8
9 9
3
8
6
3
3
그
9
615
2
6
| lu
8​

About the author
Caroline

If I_(have) a net connection,I_(attend) the class(Type 3), suitable conditional clause​

(ii) (-14) x 9 +(-189) =(-21) (iii) 256 = {(-25) -(-9)}
(ii) 72:6 +3 x 2
(iii) 72 = (6 +3×2)
ii) 42:7 +14 – 4×5