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Alecsiaognean
a fost răspuns

Calculati in doua moduri : 4×(5+3)= , 6×(3+6)= , (7+1)×9= , (8+0)×6= , 5×(4+1)= . Va rog frumos sa ma ajutati!!!

Răspuns :

[tex]4*(5+3)=4*8= 32\\ sau:\\ 4*(5+3)=4*5+4*3=20+12=32.\\\\ [/tex]
[tex]6*(3+6)=6*9=54\\ sau:\\6*(3+6)=6*3+6*6=18+36=54\\\\[/tex]
[tex](7+1)*9=9*9=81\\ sau:\\ 9*7+9*1=63+9=81\\\\[/tex]
[tex](8+0)*6=8*6=48\\sau:\\ 6*8+6*0=48+0=48\\\\[/tex]
[tex]5*(4+1)=5*5=25\\sau:\\ 5*4+5*1=20+5=25.[/tex]

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