六年级下学期数学题(知识与能力训练)海天出版社(苏教版)
1，3× 3× 3.14× 15 = 423.9(立方厘米)
= 0.4239(立方分米)
= 0.4239(升)
2.6× 6× 3.14× 0.2 = 22.608(立方米)
3.2× 2× 3.14× 2.5 = 31.4(立方分米)= 31.4(升)
31.4 ÷ 1.57 = 20(杯)
= 0.4239(立方分米)
= 0.4239(升)
2.6× 6× 3.14× 0.2 = 22.608(立方米)
3.2× 2× 3.14× 2.5 = 31.4(立方分米)= 31.4(升)
31.4 ÷ 1.57 = 20(杯)