《2025年每天100道口算题卡河北少年儿童出版社六年级数学下册人教版》

求圆的周长和面积。
① r = 5.5m
C =
S =
② d = 5.2m
C =
S =
③ r = 7m
C =
S =
④ d = 6.4dm
C =
S =
⑤ d = 71cm
C =
S =
⑥ r = 6.1m
C =
S =
⑦ r = 12cm
C =
S =
⑧ d = 8.8m
C =
S =
⑨ d = 7.2dm
C =
S =
⑩ d = 1cm
C =
S =
⑪ r = 45cm
C =
S =
⑫ r = 10m
C =
S =
⑬ d = 80dm
C =
S =
⑭ d = 60cm
C =
S =
⑮ r = 4cm
C =
S =
⑯ d = 28dm
C =
S =

答案： $P_{63}$①~⑧34.54m 94.985m² 16.328m 21.2264m² 43.96m 153.86m² 20.096dm 32.1536dm² 222.94cm 3957.185cm² 38.308m 116.8394m² 75.36cm 452.16cm² 27.632m 60.7904m² ⑨~⑯22.608dm 40.6944dm² 3.14cm 0.785cm² 282.6cm 6358.5cm² 62.8m 314m² 251.2dm 5024dm² 188.4cm 2826cm² 25.12cm 50.24cm² 87.92dm 615.44dm²

求圆柱的侧面积。
⑰ C = 3.14m h = 2m
S =
⑱ C = 31.4m h = 4m
S =
⑲ C = 50.24cm h = 10cm
S =
⑳ C = 2.826cm h = 0.3cm
S =
㉑ C = 18.84dm h = 4dm
S =
㉒ C = 200.96cm h = 10cm
S =
㉓ C = 21.98cm h = 1cm
S =
㉔ r = 10cm h = 20cm
S =
㉕ r = 12cm h = 30cm
S =
㉖ r = 1.2m h = 20m
S =
㉗ C = 28.26m h = 1m
S =
㉘ C = 0.628m h = 20m
S =
㉙ r = 3.5m h = 2.1m
S =
㉚ r = 60dm h = 50dm
S =
㉛ r = 1cm h = 15cm
S =
㉜ r = 4m h = 7m
S =

答案： $P_{64}$⑰~㉔6.28m² 125.6m² 502.4cm² 0.8478cm² 75.36dm² 2009.6cm² 21.98cm² 1256cm² ㉕~㉜2260.8cm² 150.72m² 28.26m² 12.56m² 46.158m² 18840dm² 94.2cm² 175.84m²