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Physics, 20.01.2021 14:00 goldie2715

3) Efectuează următoarele operații și exprimă de fiecare dată rezultatul în unități ale Sistemului Internațional:
a) 0,0253 hm + 5 dam + 340 cm + 890 mm = ?
b) 560 cm2 + 0,025m2 + 47690 mm2
= ?
c) 2 L + 12 dm3 + 0,01 m3 = ?
d) 450 dL + 78034 mL = ?
e) 2 h 30 min 45 s – 1 h 45 min 55 s = ?
4) Pune în ordine crescătoare mărimile fizice de mai jos:
a) 2 cm2
; 0,35 m2
; 0,015 dam2
; 49 dm2
; 162 mm2
;
b) 3 cm3
; 0,75 m3
; 25 L; 39 dm3
; 185 mm

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3) Efectuează următoarele operații și exprimă de fiecare dată rezultatul în unități ale Sistemului...
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