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A.∠A+∠B=∠C
C.a=3,b=4,c=5
B.∠A:∠B:∠C=3:4:5
D.a2-b2=c2
A.a=8,b=15,c=17
C.∠A:∠B:∠C=2:2:1
B.a=1.5,b=2,c=2.5
D..a2+b2=c2
A.∠A:∠B:∠C=3:4:5
C..∠A=∠B=2∠C
B.a:b:c=2:2:3
D.
A.∠A:∠B:∠C=1:2:3
C.a2=(b+c)(b-c)
B.∠A=2∠B=3∠C
D.a:b:c=3:4:5
A.∠A+∠B=∠C
C.∠A:∠B:∠C=3;4;5
B.a2=c2-b2
D.a2:b2:c2=5:12:17
A..∠A:∠B:∠C=2:3:4
C..∠A=2∠B=3∠C
B..a:b:c=2:2:3
D..a=3,b=4,c=5
A.∠A+∠C=∠B
C.(b+a)(b﹣a)=c2
B.a=
D.∠A:∠B:∠C=5:3:2
A..∠B=∠A﹣∠C
C..a2=(b+c)(b﹣c)
B..∠A:∠B:∠C=3:4:5
D..
A.∠A=∠B-∠C
C.∠A:∠B:∠C=3:4:5
B.a2=(b+c)(b-c)
D.a:b:c=5:12:13
A.∠A=∠B=3∠C
C.∠A:∠B:∠C=3:4:5
B.a:b:c=2:3:4
D.a:b:c=3:4:5
A..a=1,,
C.b2=(a+c)(a﹣c)
B.∠A:∠B:∠C=3:4:5
D.∠A=∠B+∠C
A.AB:BC:AC=3:4:5
C.AB:BC:AC=1:2:
B.∠A﹣∠B=∠C
D.∠A:∠B:∠C=3:4:5
A.a=32,b=42,c=52
C.∠A+∠B=90°
B.a=6,b=8,c=10
D.a=8,b=15,c=17
A.∠A:∠B:∠C=7:3:11
C.∠A+∠B=∠C
B.a:b:c=7:24:25
D.a2=9,b2=1,c=
csyn@dyw.com
2023-02-20
初中数学 | 八年级上 | 选择题