Pilne!
Prosze o rozwiązanie zadania na str:http://sklep.wsip.pl/uploads/tx_evosenk/centerfold//1120133_modul%2021.pdf
od 1 do 6 to na 4. od 1 do 13 to na 5. Prosił bym rozwiazać do zadania 13 Pełnymi zdaniami Prosze Pilne!
Dam Naj :)))
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1. a) a+a+b+b+d+c+d=2*a+2*b+c+2*d
b)a+a+b+b+d+c+d+a+a+b+b+d=4*a+4*b+c+3*d
c)4*a+4*b+4*c
2A)x+y=z
b)a+b+5=5z
c)c-d=e
d)60min-1h
x min-ph
3.a)x+12
b)x-30
c)x*3
d)x:10
4.a) proporcja: 5zł-1kg
3zł-b kg b kg=3*1:5=0,6kg
b) 3,5zł-1kg
2zł-b kg b kg=2*1:3,5=0,57kg
c) 4,5zł-1kg
2,5zł-b kg b kg=2,5*1:4,5=0,56kg
d) 2,5zł-1kg
3,5zł-b kg b kg=3,5*1:2,5=1,4kg
5.a)2x*(-5)xy^2z
b)-2abc*5abc*(-3)
c)4klmn*2lmn*(-3)klm
6)a)5x+5y
b)6a+2b
c)-3w
d)4a
e)9m-5
f)2a+4b
7a)5a-b-6=5*(-3)-2-6=-23
b)x-2y=-2,5-2*3=-8,5
c)0,79x=0,79*10=7,9
8a)x+2y+2x+y=3x+3y=3*3+3*4,5=6+13,5=19,5
b)2x+y+4x+3y+3x+2y=9x+6y=9*3+6*4,5=54
c)x+2y+2x+y+3+2x-y+4+2x+y+1+x+y=8x+4y+8=50
9a)a*1,5+b*2+c*1,2+d*2,5=7,2abcd
b)x+x+5+x-2=3x-3 x=1 1+1+5+1-2=6
10 n=3
a)n*2 3*2=6
b)n+2 3+2=5
c) n:2 3:2=1,5
d)n-2 3-2=1
e)n^2-n 3^2-3=6
f)n^2+n 3^2+3=12
11a) 2*1/4^3*2/10^3*30*2=2*1/64*8/1000*900/1=129/64*8/1000*900/1=928800/64000=14 32800/64000
b)8/10*5/10^2*3^4*1/6^2=8/10*25/100*81*1/36=2/10*1/1*81/1*1/36=162/360=81/180
c)2 1/3:1,4-(2 1/3^2:1,4^2-2)=7/3:14/10-(49/9:196/100-2-=1/3*10/2-(1/9*10/2-2)=10/6-(100/36-2)=10/6-(2 28/36-2)=10/6-28/36=60/36-28/36=32/36=16/18=8/9
12a)-2acba*(-3)b=-2a^2bc*(-3)b=[-2*(-1)^2*2*(-3)]*(-3)*2=-2*1*2*(-3)*6=72
b)a*(-3)cb^2cb*(-2)*ca=a(-3)c^2*b^3*(-2)*ca=-4*(-3)*(-1)^2*(1/6)^3*(-2)*(-1)*(-4)=(-4/1)*(-3/1)*1/1*1/216*(-2/1)*(-1)*(-4/1)=(-4/1)*(-1/1)*1/1*1/9*(-1/1)*(-1/1)*(-1/1)=-4/9
c) 2/3acb*5/7(-a)cb^2 a= 2/3abc*5/7(-a^2)b^2 c=(2/3*3*(-1)*7)*(5/1*(-9/1)*1/1*7/1)=-14/1-45/7=-98/7-45/7=-20 3/7
13a) =-5a+6b-2c=5*(-1)+6*(-2/3)-2*5/10=-5-4-1=0
b)=6ab^2-2abc+2ac=6*(-1)*-2/3)^2-2*(-2/3)*5/10+2*(-1)*5/10=6*(-4/9)-4/1*5/10=-24/9-20/10=-24/9-2/1=-24/9-18/9=-46/9
c)=-ab^2c+6a^2bc-3a^2bc^2=-(-1)*(-2/3)^2*5/10+6*(-1)^2*(-2/3)*5/10-3*(-1)^2*-(-2/3)*(5/10)^2=1*_=2/9)*5/5+6*1*(-1/3)*5/5-3*1*(-1/3)*1/2=-10/45+2+1/2=-10/45+2/1+1/2=20/-20/90+180/90+45/90=205/90
mam nadzieję ze pomogłam a troche czasu mi to zajęło