1. 42 ÷ -6 + 5

2. -64 ÷ 4 (2 - 6)

3. 4 (-12 + 6) ÷ 3

4. -6 × 8 - (42 + 2) + 72 ÷ -8

PA HELP PO,PABIGAY NARIN PO YUNG STEP BY STEP KUNG PANO NASAGUTAN TYY​