Jawabanmu

2014-04-24T20:50:15+07:00
2,5 m = 250 cm
10 dm = 100 cm

250cm+100cm= 350 cm
2,5 m = 2,5.100 = 250 cm
10 dm = 10.10 =100cm
sambungan tongkat = 250+100 = 350cm
2014-04-24T20:51:29+07:00
Jawabannya = 40 dm atau 4 m