

percentuali
Presentation
•
Mathematics
•
2nd Grade
•
Hard
Francesca Gallo
Used 25+ times
FREE Resource
13 Slides • 0 Questions
1
percentuali

2
Proporzione di base
r : 100 = p : T
3
Calcolo di p
4
Calcolo di T
5
Calcolo di r
6
Variazione in %
7
Calcolo dello sconto in %
8
Proporzione per TUTTI i problemi con SCONTO
r : 100 = sconto in € : prezzo pieno
r : sconto in € =100 : prezzo pieno
9
RICORDA!: SE LO SCONTO VALE X (es. 20%) ,
IL PREZZO SCONTATO VALE 100-X ( 80%)
QUESTO TI AIUTERA' A FARE I CALCOLI PIU' VELOCEMENTE, SALTANDO PASSAGGI INUTILI.
SE LE TUE SCARPE PREFERITE VENGONO VENDUTE CON IL 20% DI SCONTO, CALCOLA L'80% DEL PREZZO INTERO PER SAPERE QUANTO SPENDERAI!
NON SOLO: TARA E PESO NETTO SI COMPORTANO COME SCONTO E PERCENTUALE DI SCONTO
10
Calcolo della % iva
(é un calcolo di variazione in%)
11
Calcolo di un valore maggiorato di una r%
Valore finale= Valore iniziale X 1,r
(esempio: aumento del 10% su 20€ :
20 X 1.10=22€)
12
Calcolo del prezzo comprensivo di IVA (22%)
(Vedi slide precedente)
13
Scorporo dell'IVA
(Calcolo del prezzo iniziale senza IVA al 22%)
percentuali

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