如图是一个几何体的俯视图,则该几何体可能是( )
A:
B:
C:
D:
A. B. C. D.
E. F. G. H.
⑴on the box ____
⑵go fishing ____
⑶go swimming ____
⑷play table tennis ____
⑸fly kites ____
⑹in the box ____
⑺under the tree ____
⑻in the lake ____
— Oh, I love it very much because it is so practical.
用计算器计算:|213-3|+(2-3)2≈ ____(结果保留2个有效数字).