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II. Direction: Perform the following indicated operations.
1) (-25) + (+20) =
9) (-8) X (-4) =
10) (+19) X (+7)=
2) (+12) + (+6)=
3) (-36) +(- 12) =
11) (+77) X (-56)
4) (+28) + (-4) =
12) (-18) = (-9)
5) (-98) - (-42) =
13) (-54) : (+6)
6) (+97) - (-56) =
14) (-312) + (+24) =
7) (+85) - (+12) =
15) (438) + (+73) =
8) 389-223 =​