HAPPY AND SAD FACE MATH

1. Pilien ti nakaisem a rupa no mangipakpakita ti equivalent expression ken pilien met ti naliday a rupa no saan.

9-2 = 4 + 3                                    

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Pilien ti nakaisem a rupa no mangipakpakita ti equivalent expression ken pilien met ti naliday a rupa no saan.

2. 7 + 9 = 14 – 2                               

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Pilien ti nakaisem a rupa no mangipakpakita ti equivalent expression ken pilien met ti naliday a rupa no saan.

3.  9 + 7 = 18 – 2

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Pilien ti nakaisem a rupa no mangipakpakita ti equivalent expression ken pilien met ti naliday a rupa no saan

4. 20-2 = 14 + 4                                     

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Pilien ti nakaisem a rupa no mangipakpakita ti equivalent expression ken pilien met ti naliday a rupa no saan

5. 27 -10 = 9 + 8                                   

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