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1) 3Ā².2ā“+1 =

2) 5Ā².3-6Ā²:2 =

3) 5.2Ā³+7Ā² =

4) 7ā°+6ā°-(7+6)ā° =

5) 2ā“.3.5.+3Ā² =

6) 2.4Ā³+8Ā²+2āµ =

7) 17-3.2Ā²+2āµ =

8) 10ā°+2.10Ā²-10.2Ā³ =

9)1ā°+1Ā¹+2ā°+2Ā¹+2Ā² =

10) 2Ā².3+8:2-āˆš36 =

11) 20-āˆš4+3Ā².3-2:2 =

12) 2.(3Ā²-3.2)ā“+(3.3Ā²+1)Ā² =

13) (3.2Ā³-2.3Ā²)Ā³:(2Ā².3) =

14) [(10-āˆš25)Ā²-(3+2Ā³+4)]Ā² =

15) 10Ā²-āˆš12+4.3Ā¹+3Ā¹:āˆš10-1 =

16) (2āµ-2ā“-2Ā³-2Ā²).(1+1Ā²+1Ā³) =

17) 12.(āˆš25+āˆš49+āˆš144+āˆš1)āµ =

18) {2āµ-[2ā“-(2Ā³-2Ā¹)]}.(1+2Ā²+1Ā³) =

19) 32:2ā“+(11-3Ā²).(4Ā³-3Ā³) =

20) (10-2Ā³).3Ā²+5Ā².[2ā“-(4Ā³-7Ā²)]

me ajudem!!!! Ć© pra amanhĆ£, com a conta montada pfvrā€‹


Resposta :

ExplicaĆ§Ć£o passo-a-passo:

1) 3Ā².2ā“+1 =

9.16+1=

144+1=

145

2) 5Ā².3-6Ā²:2 =

25.3-36:2=

75-18=

57

3) 5.2Ā³+7Ā² =

5.8+49=

40+49=

89

4) 7ā°+6ā°-(7+6)ā° =

1+1-(13)^0=

2-1=

1

5) 2ā“.3.5.+3Ā² =

16.3.5.9=

48.45=

2160

6) 2.4Ā³+8Ā²+2āµ =

2.64+64+32=

128+96=

224

7) 17-3.2Ā²+2āµ =

17-3.4+32=

17-12+32=

5+32=

37

8) 10ā°+2.10Ā²-10.2Ā³ =

1+2.100-10.8=

1+200-80=

1+120=

121

9)1ā°+1Ā¹+2ā°+2Ā¹+2Ā² =

1+1+1+2+4=

2+3+4=

5+4

9

10) 2Ā².3+8:2-āˆš36 =

4.3+4-6=

12+4-6=

16-6=

10

11) 20-āˆš4+3Ā².3-2:2 =

20-2+9.3-1=

20-2+27-1=

18+26=

44

12) 2.(3Ā²-3.2)ā“+(3.3Ā²+1)Ā² =

2.(9-6)^4+(3.9+1)^2=

2.(3)^4+(27+1)^2=

2.81+(28)^2=

2.81+784=

162+784=

946

13) (3.2Ā³-2.3Ā²)Ā³:(2Ā².3) =

(3.8-2.9)^3:(4.3)=

(24-18)^3:(12)=

(6)^3:(12)=

216:(12)=

18

14) [(10-āˆš25)Ā²-(3+2Ā³+4)]Ā² =

[(10-5)^2-(3+8+4)]^2=

[(5)^2-(11+4)]^2=

[25-(15)]^2=

[10]^2=

20

15) 10Ā²-āˆš12+4.3Ā¹+3Ā¹:āˆš10-1 =

100-3,46+4.3+3:3,16-1=

100-3,46+12+0,94-1=

96,54+12,94-1=

109,48-1=

108,48

16) (2āµ-2ā“-2Ā³-2Ā²).(1+1Ā²+1Ā³) =

(32-16-8-4).(1+1+1)=

(16-4).(2+1)=

(12).(3)=

36

17) 12.(āˆš25+āˆš49+āˆš144+āˆš1)āµ =

12.(5+7+12+1)^5=

12.(12+13)^5=

12.(25)^5=

12.9765625=

117187500

18) {2āµ-[2ā“-(2Ā³-2Ā¹)]}.(1+2Ā²+1Ā³) =

{32-[16-(8-2)]}.(1+4+1)=

{32-[16-(6)]}.(5+1)=

{32-[10]}.(6)=

{22}.(6)=

132

19) 32:2ā“+(11-3Ā²).(4Ā³-3Ā³) =

32:16+(11-9).(64-27)=

32:16+(2).(37)=

2+74=

76

20) (10-2Ā³).3Ā²+5Ā².[2ā“-(4Ā³-7Ā²)]=

(10-8).9+25.[16-(64-49)]=

(2).9+25.[16-(15)]=

(2).9+25.[1]=

18+25=

43

Espero ter ajudado ā¤.