chu vi là :
1,2x3,14=3,768(m)
đáp số : ....
Chu vi bánh xe là:
1,2x3,14=3,768(m)
đáp số:3,768 m
Chu vi là
1,2*3,14=3,768
Đáp số:3,768
tick đúng mình nhaaaaaaaaaa
C = d x 3,14
1,2 x 3,14 = 3,768
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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