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calculati apoi completati spatiile punctate:
a) 20m+2dam+31dm=......dm??
b)36cm+120mm-2dm=....cm?
c)148hm-1km+240dam+50m=...dam?
d)76dam-25m+1800dm=....m?
e)2600cm+17000mm-15m=.....dm?
f)640hm+24dam-150m=...dam?
va rog ajutatima :O


Răspuns :

a) 20m+2dam+31dm=200dm+200dm+31dm=431dm
b)36cm+120mm-2dm=36cm+12cm-20cm=28cm
c)148hm-1km+240dam+50m=1480dam-100dam+240dam+5dam=1625dam
d)76dam-25m+1800dm=760m-25m+180m=915m
e)2600cm+17000mm-15m=260dm+170dm-150dm=280dm
f)640hm+24dam-150m=64dam+24dam-15dam=73dam