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Urgent! ! ! ! ! Math workbook People's Education Edition 20 12 The penultimate answer of P39 in the first volume of grade five! ! ! ! ! urgent
(220- 170)÷2
=50÷2
=25 (square centimeter)
( 170-25×2)÷4÷√25
= 120÷4÷5
=6 cm
25×6= 150 (cubic centimeter)
Answer: The volume of the original cuboid is 150 cubic centimeter.