A.2cm2 | B.1cm2 | C.0.5cm2 | D.0.25cm2 |
1 |
2 |
1 |
2 |
1 |
2 |
A.9 | B.5 | C.4.5 | D.4 |
A.4acm2 | B.2acm2 |
C.acm2 | D.以上答案都不正确 |
A.1 | B.2 | C.3 | D.4 |
A.S△ABD>S△ACD | B.S△ABD=S△ACD |
C.S△ABD<S△ACD | D.无法确定 |
A.S△ABD>S△ACD | B.S△ABD<S△ACD |
C.S△ABD=S△ACD | D.无法确定 |
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