立方图形的表面积和体积(1)1:⑴B ⑵A ⑶C2: 10600 520 520 560 0.026 263:(10x6+10x4+6x4)x2 =(60+40+24)x2 =2483.14x2x4x5+3.14x4x2=3.14x2x4x5+3.14x16x2=125.6+100.48=226.08【请关注零五网:https://www.05wang.com/】4: 体积 3x3x3x10=270(立方厘米) 表面积 3x3x34=306(平方厘米)5: 10x12=120(厘米) 10x10x6=600(平方厘米)6: ⑴8x7+(8x6+7x6)x2 =56+180 =236(平方分米) ⑵ 8x7x6=336升 =336000毫升【请关注零五网:https://www.05wang.com/】7: ⑴ 得到的是圆锥 1/3x3.14x6x10 =1/3x3.14x36x10 =376.8(立方厘米) ⑵ 3.14×6×10-1/3×3 |