1) Reduza os monômios semelhantes:
A)
[tex] 21xy{z}^{2}+3x{z}^{2}y-2xy{z}^{2}-5x{y}^{2}z+45 [/tex]
B)
[tex]6{m}^{4}-4{m}^{4} {n}^{6}+12{m}^{4}+16{m}^{4} {n}^{6} [/tex]
A)
[tex] 21xy{z}^{2}+3x{z}^{2}y-2xy{z}^{2}-5x{y}^{2}z+45 [/tex]
B)
[tex]6{m}^{4}-4{m}^{4} {n}^{6}+12{m}^{4}+16{m}^{4} {n}^{6} [/tex]
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Resposta:21xyz² , -2xyz²
b)6m,12m , 16m n ,4m n
Resposta:
A)
21xyz² +3xy²z -2xyz² -5xy²z +45
21xyz² -2xyz² +3xy²z -5xy²z +45
19xyz² -2xy²z +45
B)
6m⁴ -4m⁴n⁶ +12m⁴ +16m⁴n⁶
6m⁴ +12m⁴ -4m⁴n⁶ +16m⁴n⁶
+18m⁴ +12m⁴n⁶