(2 1/2 x 7 1/2)-(1 1/2 x 1 1/2) = tolong jawab yg singkat dan benar

[tex] = (2 \frac{1}{2} \times 7 \frac{1}{2} ) - (1 \frac{1}{2} \times 1\frac{1}{2} ) \\ = ( \frac{75}{4} ) - ( \frac{9}{4} ) \\ = \frac{66}{4} \\ = \frac{33}{2} \\ = 16 \frac{1}{2} [/tex]