Răspuns :
Răspuns:
7dm+50cm+200mm=7dm+5dm+2dm= 14 dm
1m-70cm+280mm=1000mm-700cm+280mm= 580 mm
1dm+80cm-789mm=100mm+800mm-789mm= 111 mm
20mm+68cm-6dm=2cm+68cm-60cm= 10 cm
Răspuns:
Explicație pas cu pas:
7dm+50cm+200mm= 7 dm+5 dm+2 dm=14 dm
1m-70cm+280mm= 1000 mm-700 mm+280 mm= 580 mm
1dm+80cm-789mm= 100 mm+800 mm-789 mm= 111 mm
20mm+68cm-6dm= 2 cm+ 68 cm-60 cm= 10 cm