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a) 4 m2 = 40000 cm2 m2 = 50dm2
16 m2 = 1600 dm2 dm2 = 50 cm2
308 dm2 = 30800cm2 m2 = 100 cm2
b) 700 cm2 = 7 dm2 15 m2 9 dm2 = 1509 dm2
3400 dm2 = 34 m2 7 dm2 25 cm2 = 725 cm2
50 000 cm2 = 5 m2 28 m2 50 cm2 = 280050 cm2
c) 948 dm2 = 9 m2 48 dm2 8791 dm2 = 87 m2 91 dm2
705 cm2 = 7 dm2 5cm2 30 045 cm2 = 3 m2 45 cm2
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210 c m 2 = 2 d m 2 10 c m 2
1954 c m 2 > 19 d m 2 50 c m 2
6 d m 2 3 c m 2 = 603 c m 2
2001 c m 2 < 20 d m 2 10 c m 2
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a) 3 dm2 = 300 cm2
300 cm2 = 3 dm2
b) 6 dm2 = 600 cm2
600 cm2 = 6 dm2
6 dm2 50 cm2 = 650 cm2
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a) 1 dm2 = 100 cm2
14 dm2 = 1 400 cm2
1 m2 = 100 dm2
b) 300 cm2 = 3 dm2
5 000 cm2 = 50 dm2
300 dm2 = 3 m2
c) 7 dm2 60 cm2 = 760 cm2
29 dm2 8 cm2 = 2 908 cm2
d) 125 cm2 = 1 dm2 25 cm2
6870 cm2 = 68 dm2 70 cm2
a) 1 dm2 = 100 cm2
14 dm2 = 1 400 cm2
1 m2 = 100 dm2
b) 300 cm2 = 3 dm2
5 000 cm2 = 50 dm2
300 dm2 = 3 m2
c) 7 dm2 60 cm2 = 760 cm2
29 dm2 8 cm2 = 2 908 cm2
d) 125 cm2 = 1 dm2 25 cm2
6870 cm2 = 68 dm2 70 cm2
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a) 1 cm2 = 100 mm2
2 cm2 = 200 mm2
200 mm2 = 2 cm2
b) 1 cm2 30 mm2 = 130 mm2
8 cm2 5 mm2 = 805 mm2
7 cm2 14 mm2 = 714 mm2
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\(200mm^2=2cm^2\\ 500mm^2=5cm^2\\ 2cm^2=2cm^2\\ 100mm^2=1cm^2\)
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4357 cm2 = 43 dm2 57 cm2
15 dm2= 150 000 mm2
20185 cm2 = 2 m2 1 dm2 85 cm2
418 dm2 = 41 800 cm2
32865 mm2 = 3 dm2 28 cm2 65 mm2
216 m2 = 21 600 dm2 = 2 160 000 cm2
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1980 000 cm2=. 0,000198 km2
1980 000 cm2= 198 m2
1980 000 cm2= 1980 000 cm2
1980000cm2=19,8km2
1980000cm2=19800m2
1980000m2=1980000cm2
90080cm2
`9m^2 = 9 xx 10000 = 90000cm^2`
`=> 9m^2 80cm^2 = 90000 + 80 = 90080cm^2`