Zadania 1-4 str79 Matematyka klasa 2 (zadania w załaczniku chociaz troche )
ZAD. 2
a. x-2xy
b. -2a+3ab-1/3
c. 3 x kwadrat -6x-15
d. 3xy-5x
e. -2a-b+3
f. 2x kwadrat-1/4x+9
g. 6c kwadrat-18c+12
h.-6x-6
ZAD. 3
a.4a+b
b.-5x-y+4z
c.16x-28
d. 2x-3y
e. x+y+11z
f. -4x kwadrat-2xy-6xz
g.2x szeescian-33x kwadrat y
h. -6pierwiastek z 2a+4b
ZAD.4
a.-3a-2
b.10b-7
c. 4,5n kwadrat-7c
d. -8
1
a= 3x²-27x
b a³+ 2a²b-a²
c -3x²y+3xy²+9xy
d 5x5(potęga) + 15x³-5x²
e-2√x²-4x+4√
f 12/3x²-24/4x + 1/3=16x²-24x+1/3
3
a 3a+3b+a-2b=4a+6
b -5xy+4z-x
c-28 +16x
d 2x-3y
e 6x-4y + 6z-5x-5y-5z
2
a x-2xy
b -2+3ab+1/3
c 3x²-6x-15
d 3xy-5x
e 2/3a + 1/3b+1
f 2x²-x/4+9
g 6c²-18c +12
h 6x+6
4
a -3a-2
b 10b-7
c 4,5n²-7n
d -8
f 5,5p²+7,5-11/2
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ZAD. 2
a. x-2xy
b. -2a+3ab-1/3
c. 3 x kwadrat -6x-15
d. 3xy-5x
e. -2a-b+3
f. 2x kwadrat-1/4x+9
g. 6c kwadrat-18c+12
h.-6x-6
ZAD. 3
a.4a+b
b.-5x-y+4z
c.16x-28
d. 2x-3y
e. x+y+11z
f. -4x kwadrat-2xy-6xz
g.2x szeescian-33x kwadrat y
h. -6pierwiastek z 2a+4b
ZAD.4
a.-3a-2
b.10b-7
c. 4,5n kwadrat-7c
d. -8
1
a= 3x²-27x
b a³+ 2a²b-a²
c -3x²y+3xy²+9xy
d 5x5(potęga) + 15x³-5x²
e-2√x²-4x+4√
f 12/3x²-24/4x + 1/3=16x²-24x+1/3
3
a 3a+3b+a-2b=4a+6
b -5xy+4z-x
c-28 +16x
d 2x-3y
e 6x-4y + 6z-5x-5y-5z
2
a x-2xy
b -2+3ab+1/3
c 3x²-6x-15
d 3xy-5x
e 2/3a + 1/3b+1
f 2x²-x/4+9
g 6c²-18c +12
h 6x+6
4
a -3a-2
b 10b-7
c 4,5n²-7n
d -8
f 5,5p²+7,5-11/2