2 i 1/3 : 0,28 = 2/5 masy 0,4 kg ................. 1/10 kwoty 13,70 zl ............... 3/8 masy 0,64 g ................ 1/2 masy 0,07 t ............... nie wiem o co w tym chodzi pomożecie ? daje naj ;)
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2 i 1/3 : 0,28 = 7/3 : 28/100 = 7/3 * 100/28 = 25/3 = 8 i 1/3
2/5 masy 0,4 kg = 2/5 * 0,4kg = 0,4 * 0,4kg = 0,16kg
1/10 kwoty 13,70 zl = 1/10 * 13,70zł = 0,1 * 13,70zł = 1,37zł
3/8 masy 0,64 g = 3/8 * 0,64g = 3/8 * 64/100g = 24/100g = 0,24g
1/2 masy 0,07 t= 1/2 * 0,07t = 0,5 * 0,07t = 0,035t