Question

42cm+260mm-3,6dm




1,8dm+380mm-27cm

Answer 1

260 mm => 26 cm
3,6 dm => 36 cm
42 cm + 26 cm - 36 cm = 32 cm

1,8 dm => 18 cm
380 mm => 38 cm
18 cm + 38 cm - 27 cm = 29 cm

sper ca este bine =))