1/2 × 15 × 30 =.......
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[tex]=\: \frac{1}{2} \times\: 15\: \times\: 30[/tex]
[tex]=\: (\frac{1}{2} \times\: \frac{15}{1}) \times\: \frac{30}{1}[/tex]
[tex]=\: \frac{15}{2} \times\: \frac{30}{1}[/tex]
[tex]=\: \frac{450}{2} =\: 225[/tex]
[answer.2.content]
