Mathematics
Junior High
これって、6:x=4:6ではだめなんですか？
A
AD:AB=DE: BC
6:(6+x)=4:6
4(6+x)3D36
6
24+4.r=36
4.x=12
E
D
x=3
4
5
=X
3
C
=AE:EC
B
6
Answers
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