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Volume and surface


Calculate the volume and surface area of ​​a body:

(a) 10203040506070809025303540455055606570750

(b) -70-60-50-40-30-20-101020-20-1010203040500

(c) -80-60-40-20204060-50-40-30-20-10102030400

(d) 1020304050607080-60-55-50-45-40-35-30-250

(e) -101020304050510152025303540450

(f) -60-40-20204060-50-40-30-20-10102030400

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