Current location - Training Enrollment Network - Mathematics courses - The answer to the second volume of sixth grade mathematics of Jiangsu Education Press is 92 to 93 pages.
The answer to the second volume of sixth grade mathematics of Jiangsu Education Press is 92 to 93 pages.
One,

1 S length = up and down+front and back+around.

= 15× 10×2+ 15×8×2+8× 10×2

=300+240+ 160

=700 square centimeters

V length =abh

= 15× 10×8

= 150×8

= 1200

2 10× 10×6=600

10× 10× 10= 1000

3 4×4×3. 14×2+8×3. 14× 12= 100.48+50.24= 150.2

4×4×3. 14× 12=602.88

two

8×5×2+2×2×3. 14×3=80+37.68= 1 17.68

I'm bored to death, that's all