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Verified answer
2/15-1/2+3/10________/30
4-15+9/30
-11+9/30
-2/30
-1/15
Verified answer
Samakan penyebut yg dibawah2/15 - 1/2 + 3/10
= 4/30 - 15/30 + 9/30
= -2/30 = -1/15