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II. DIRECTIONS : Add or Subtract. Express your answer in simplest form, if possible. Show  your solutions. 1. 4 9 + 2 9 + 6 9 = 2. 3 4 + 2 3 + 1 2 = 3. 9 5 8 − 4 1 8 = 4. 9 − 4 5 7 =​

Sagot :

Answer:

1.147

2.69

3.540

4.-449

Step-by-step explanation:

correct answer thank me later