Current location - Training Enrollment Network - Mathematics courses - The sixth grade (lower grade) math book is on page 16, and at the bottom is "Do you know".
The sixth grade (lower grade) math book is on page 16, and at the bottom is "Do you know".
Cone volume: 1/3×3. 14×(2÷2)? ×3=3. 14(CM？ )

Lower part: 1/3×3. 14×(6÷2)? ×9=84.78(CM？ ), 1/3×3. 14× 1.5? ×4.5= 10.5975(CM？ )，84078- 10.5975 = 74. 1825(cm？ )

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