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www.matematicamente.<strong>it</strong> - Matematica C3 – Algebra 1 – <strong>1.</strong> Numeri<br />

⋅<br />

1 1 −3<br />

1<br />

2 2 − 1 −2]−2<br />

3<br />

416<br />

[2<br />

1− 1 3<br />

2 2 − 5 − 1 8⋅ 10<br />

− 3<br />

3<br />

[ − 9 4 9 5 20] − 1 11<br />

4 − 5 2<br />

417<br />

[<br />

1−[ 1− −17 7 ] − −1 2 7 14 − 1<br />

− 1 7 33<br />

418 [ 8 3 −5 1− 7 15 1 5 6 ⋅3 ] ⋅ 1<br />

11 1 1<br />

24 − 5 3<br />

419<br />

5<br />

4 3<br />

10 : 8 5 −1 3 8 − 1 2 −1− 1 4 : 4 3<br />

−1{ 2<br />

−1,5 2 3 [ − 1− 1 3 −−3−1]} − 1 0<br />

2 <br />

0,75 :[<br />

1−0,3{ [ −1− − 2 3 1 1 1<br />

3⋅3−1]} R. [100]<br />

21 − 1−1 5 − 2 7]<br />

R. − 1 2<br />

9<br />

3<br />

6 : 6 −2<br />

R.<br />

9<br />

−2,6]<br />

R. − 1 12<br />

18<br />

13<br />

[<br />

1<br />

2 − 18 7 14] 1 ⋅−3,5⋅3−2,8⋅6−2<br />

420 2 −5 − 1 R.<br />

−2<br />

:−0,1<br />

2<br />

−2<br />

1<br />

10 + 8<br />

15 : ( 5 9 −0,1̄6− 2)<br />

1<br />

421<br />

2⋅5 2 ⋅ (<br />

3<br />

10 + 0,25 )( 7 11 −1 3 + 11) 5<br />

−[(3 7 ⋅14 15 − 10) 1<br />

10]<br />

: 3<br />

422 Calcola il valore dell'espressione E = A- B, dove<br />

4 −2<br />

A= 7 : 3<br />

−3 −7 ⋅ 3 −1−2<br />

7<br />

1<br />

30<br />

( 1 5) −2 R. − 12<br />

25<br />

B= 3 −6<br />

7 ⋅ 1− 4 52<br />

7 <br />

76

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