Răspuns:
Explicație pas cu pas:
calculați )
a) 0,007 dam2+200 mm2+15,3 dm2=0,7m2+12cm2+1530cm2=
70dm2+12cm2+1530cm2=7000cm2+12cm2+1530cm2=8542 cm2
b) 0,231 dam2 + 0,56 m2 + 7230 cm2 =23,1 m2+56dm2+72,3dm2= =2310dm2+56dm2+72,3dm2=2438,3 dm2
c) 5100 m2+1,231 hm2+2700 dm2 =51dam2+123,1dam2+27m2= 51dam2+123,1dam2+0,27dam2= 174,37 dam2
d) 860 cm2+2,36 dam2+450 dm2=8,6dm2+236m2+4,5m2= =0,086m2+236m2+4,5m2=240,586 m2
e) 4500 cm2+121 dm2+0,43 dam2= 45dm2+1,21m2+43m2= 0,45m2+1,21m2+43m2=44,66 m2
f) 0,0073 m2+180 mm2+0,0058 dm2 =0,73dm2+1,8cm2+0,58cm2= =73cm2+1,8cm2+0,58cm2=75,38 cm2