Question

Va rog frumos ajutatima dau coroana si cu rezolvare

Answer 1

a)

6 dam + 23 m = ? m

6 dam × 10 = 60 m

60 m + 23 m = 83 m

------------------------------

12 km + 15 dam = ? m

12 km × 1000 = 12000 m

15 dam × 10 = 150 m

12000 m + 150 m = 12150 m

----------------------------------------

12 hm + 63 dam = ? m

12 hm × 100 = 1200 m

63 dam × 10 = 630 m

1200 m × 630 m = 1830 m

--------------------------------------

19 hm + 55 dam = ? m

19 hm × 100 = 1900 m

55 dam × 10 = 550 m

1900 m + 550 m = 1450 m

---------------------------------------

192 m + 208 m = ? dam

192 m : 10 = 19,2 dam

208 m : 10 = 20,8 dam

19,2 dam + 20,8 dam = 40 dam

---------------------------------------------

20 dm + 32 cm = ? mm

20 dm × 100 = 2000 mm

32 cm × 10 = 320 mm

2000 mm + 320 mm = 2320 mm

------------------------------------------------

b)

64 km - 22 dam = ? m

64 km × 1000 = 64000 m

22 dam × 10 = 220 m

64000 m - 220 m = 63780m

---------------------------------------------

750 cm - 120 mm = ? mm

750 cm × 10 = 7500 mm

7500 mm - 120 mm = 7380 mm

------------------------------------------------

32 km - 21 dam = ? dam

32 km × 100 = 3200 dam

3200 dam - 21 dam = 3179 dam

---------------------------------------------

1 m - 15 cm = ? cm

1 m × 100 = 100 cm

100 cm - 15 cm = 75 cm

------------------------------

650 m - 1500 dm = ? cm

650 m × 100 = 65000 cm

1500 dm × 10 = 15000 cm

65000 cm - 15000 cm = 50000 cm

--------------------------------------------------

8 km - 8 hm = ? dam

8 km × 100 = 800 dam

8 hm × 10 = 80 dam

800 dam - 80 dam = 720

-------------------------------------