Sagot :
Step-by-step explanation:
[tex]1) \\ 2(4 + 5) = 18 \\ 2(9) = 18 \\ 18 = 18 \\ 2) \\ (15 - 7) + 5 \\ 8 + 5 \\ = 13 \\ 3) \\ \frac{6 \times 7}{8 + 6} \\ \frac{42}{14} = 3 \\ 3 = 3[/tex]
Step-by-step explanation:
[tex]1) \\ 2(4 + 5) = 18 \\ 2(9) = 18 \\ 18 = 18 \\ 2) \\ (15 - 7) + 5 \\ 8 + 5 \\ = 13 \\ 3) \\ \frac{6 \times 7}{8 + 6} \\ \frac{42}{14} = 3 \\ 3 = 3[/tex]