Расчет: hSJXtZ - 1
S =
* a* h
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S =
* a* h$$S$$ = $$\frac{1}{2}\cdot a\cdot h$$
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S =
$$S$$ = $$\frac{a\cdot h}{2}$$
| a* h |
| / 2 |
S = 0.5* a* h$$S$$ = $$0.5\cdot a\cdot h$$
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| a* h |
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