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CULEGERE DE EXERCIŢII ŞI PROBLEME PENTRU CL. a III-a

CULEGERE DE EXERCIŢII ŞI PROBLEME PENTRU CL. a III-a

CULEGERE DE EXERCIŢII ŞI PROBLEME PENTRU CL. a III-a

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28. Transformaţi:<br />

96<br />

a) 1 q = ? kg 1 t = ? kg 1 t = ? q<br />

4 q = ? kg 7 t = ? kg 5 t = ? q<br />

10 q = ? kg 10 t = ? kg 10 t = ? q<br />

3 q = ? kg 5 t = ? kg 8 t = ? q<br />

b) 1 kg = ? hg 1 kg = ? dag 1 kg = ? g<br />

5 kg = ? hg 9 kg = ? dag 4 kg = ? g<br />

19 kg = ? hg 21 kg = ? dag 15 kg = ? g<br />

38 kg = ? hg 40 kg = ? dag 62 kg = ? g<br />

c) 1 g = ? dg 1 g = ? cg 1 g = ? mg<br />

4 g = ? dg 7 g = ? cg 9 g = ? mg<br />

10 g = ? dg 10 g = ? cg 10 g = ? mg<br />

25 g = ? dg 19 g = ? cg 27 g = ? mg<br />

29. Calculaţi:<br />

a) 798 kg + 1 365 kg = ? kg<br />

2 500 g + 3 760 g = ? g<br />

7 835 dg – 5 600 dg = ? dg<br />

3 655 cg – ( 240 cg x 3 + 165 cg x 5 ) = ? cg<br />

b) ( 25 t + 135 t ) : 10 + 84 t : 6 – 7 t x 4 = ? t<br />

( 345 q – 106 q x 2 + 17 q ) : 10 + 15 q = ? q<br />

3 x ( 625 mg : 5 – 20 mg x 5 ) + 5 mg x 5 = ? mg<br />

( 974 dag – 7 dag x 100 ) : 2 x 3 + 1 78 dag = ? dag<br />

c) ( 128 hg + 172 hg ) : 10 -10 hg + 40 hg x 2 = ? hg<br />

248 t + ( 91 t – 89 t ) x 100 – 40 t x 4 + 2 t = ? t<br />

( 74 q – 68 q ) x 100 – 20 q x 3 + 108 q : 3 = ? q<br />

( 15 dag + 125 dag ) : 10 – 112 dag : 8 x 0 = ? dag

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