Zrób zad od 9 do 13 plis dam naj !! TO NA DZISIAJ ! MATMA
9
(a+b)*h= wzór
(2+8)*4=10*4=40
10
p=8*2, 5=20m2
2480:20=124zł m2
11
odp C
12
Pb=2, 5*5=11 , 5m2
11, 5 :4-3 ,125
3,5*2 +7 rolek
13
86*7=602
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9
(a+b)*h= wzór
(2+8)*4=10*4=40
10
p=8*2, 5=20m2
2480:20=124zł m2
11
odp C
12
Pb=2, 5*5=11 , 5m2
11, 5 :4-3 ,125
3,5*2 +7 rolek
13
86*7=602
odp C