Question

2. Calculează:
a) 180 dam + 320 dam = ?m b) 4 m + 32 dm = ? dm
1 000 m - 50 dam = ? dam 42 m - 30 dm =
= ?
6 X 250 dam = ? dam = ? hm 6 x 220 dm = ? dm = ?m
m
? Im
c) 17 dm + 19 cm = ? cm
415 dm - 70 cm = ? dm
80 mm : 2 = ? mm = ? m
Vă rog multttt .E urgentttt. ​

Answer 1

Explicație pas cu pas:

a) 180dam+320dam=500dam=5000m

1000m = 100 dam => 100dam-50dam=50dam

6*250dam=1500dam=150hm

b) 4m=40dm => 40dm+32dm=72dm

30dm=3m => 42m-3m=39m

6*220dm=1320dm=132m

c) 17dm=170cm => 170cm+19cm=189cm

70cm=7dm => 415dm-7dm=408dm

800mm:2=400mm=40cm.

Sper că v-am ajutat