Calulati , dand factor comun:
a)3x8+3x2;
b)7x103-7x3
c)136x17+136x83
d)42x705+5x705
e)2653x347+2653x696-43x2653
f)99999x8+99999x2
g)3745x99+3745
h)49506x101-49506
i)145x8+145x12+145x30

Calculati:
2.3^2 b) 1,2^3 c) 1.1^2+0.2^3 d) 1,4^2:0,7.​

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Matei a cumparat doua caiete si 5 pixuri platind 9 lei.Maria a cumparat un caiet si 5 pixuri de acelasi fel platind 7 lei.Cat costa un caiet si un pix?

ajutorrrrrrrr
puteti cu intrebari si asa

2 caiete-------------5 pixuri------------------9 lei
1 caiet---------------5 pixuri------------------7 lei

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28 POINTS PLZZZ HELP ME
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Bonjour merci de me rédiger un paragraphe argumenté sur ce sujet environ 30 lignes svp. Merci d'avance ​

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Bonsoir, pouriez vous maider a developer puis reduire l'expention suivante merci davance
B=(-3-2x) (-3+ 2x)​

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