Jawabanmu

2014-02-20T19:24:07+07:00
4,9 m = 490 cm
75 cm = 75 cm
52 dm = 520 cm

jawab :
(490 cm + 75 cm) - 520 cm = 565 cm - 520 cm
                                        = 45 cm 
jadi sisa kabel bayu adalah 45 cm.
1 5 1
2014-02-20T19:25:06+07:00
4,9 m + 75 cm =
490 cm + 75 cm = 565 cm

565 cm - 52 dm =
565 cm - 520 cm = 45 cm