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

2<br />

3<br />

4<br />

R.<br />

3]<br />

359 1−[ 3 3<br />

2<br />

−2<br />

360 <br />

1<br />

4<br />

363<br />

{[ 5 2<br />

4 <br />

× 3 2<br />

− 1 2 <br />

−2 22<br />

: 3 4<br />

2<br />

3 ⋅ 2 3<br />

− 4 5 <br />

: 4 3<br />

5 <br />

1 3 : 1 3 <br />

−3− −2−2 −2 4 R.<br />

5<br />

[ 9<br />

20 ]<br />

⋅ 3 5 − 3 8 5} 3 : 1 5<br />

: 1 4<br />

3<br />

361<br />

{[ 1 6 1 2 : 0,751− 3 3<br />

4]<br />

362<br />

{ 1 2 15 2 [ : 1 2 : 1− 3 4 ]} [ 1 ⋅ 1 5<br />

3 <br />

: 1 2] [ ⋅ 1 5 1<br />

10 20 1<br />

5] ⋅4 ⋅ 1<br />

−2<br />

364<br />

[ 0,4−12 : 0,01− −2 3 <br />

−4<br />

] ⋅ −1 2 <br />

2<br />

14}<br />

2<br />

]<br />

: 1− 5 6 10<br />

⋅ 3<br />

2<br />

365 7 15 { 9 4 3 4 ⋅1 2 − 11<br />

16 : 1 2 1 8 : [ 4 7 5 4 : 17 7 ]} ⋅9 5<br />

366 <br />

2 1 2<br />

2 ⋅ 2− 1 −2<br />

2 [ 2 1 3 ⋅ 7 3<br />

367<br />

[ 3 1 2 − 5 3 ⋅ 1 2 <br />

2] { : 3 2 [ − 2 3 2<br />

368<br />

{[ 8 10<br />

3 : 8 6<br />

2<br />

3 ] ⋅[ 8 8<br />

3 : 8 3<br />

3 ]} : 8 11<br />

3 <br />

369 <br />

1 3 2<br />

2 ⋅ 2− 5 −2<br />

2 ⋅[ 1 2<br />

−2<br />

2 <br />

370 <br />

1<br />

3 −1 − 1 6 − 1 4 ⋅6 5 − 2 9 5 −1 ⋅3− 1 30<br />

371<br />

3 2 1 : 5 2− 2 3 5 <br />

3 1 : 5−1 7 3 − 2<br />

2 −1 −<br />

2<br />

14 ⋅ 3−<br />

13<br />

]<br />

−2<br />

−1<br />

]<br />

11 5 22 33 7 : 82<br />

33 1<br />

35<br />

5<br />

12]<br />

3<br />

}<br />

: 1 4<br />

R.<br />

R.<br />

R.<br />

1<br />

6<br />

10<br />

3<br />

1<br />

3<br />

1<br />

144<br />

R. [630 ]<br />

R.<br />

77<br />

50<br />

R.<br />

[ 46 9 ]<br />

R.<br />

R.<br />

44<br />

3<br />

64<br />

9<br />

R. [ 400]<br />

R. − 2 3<br />

372 8,75 2 5 {[ −0,2 2−1, 6− 0,2 2 3 ] 1 7 − 17 4 } − 2 3 2 2−1 7,5−0,3 R. 10<br />

373 <br />

1<br />

6 0,1 ⋅0,16⋅1−1,0 1−1 R. [−4]<br />

374 <br />

4<br />

3 −2 −1 2 [ : 5 7 2 5 6 − 1 2 2 5 3 4 − 4 3 1 2 ] : 11 6<br />

375 <br />

1− 1 −2<br />

2 ⋅[ 1 1 2 −2<br />

2 ] : 5 −3<br />

2 <br />

−2<br />

2<br />

R.<br />

100<br />

303<br />

R. − 60<br />

11<br />

R.<br />

[ 81]<br />

8<br />

376<br />

6<br />

3 4 2 4 2<br />

2<br />

5 4<br />

2<br />

⎧ 3 2 3<br />

⎧<br />

4 2 7 3 1 1<br />

⎫<br />

⎪⎡⎛ ⎞ ⎛ ⎞ ⎤ ⎛ ⎞ ⎫⎪ ⎪⎡⎛ ⎞ ⎛ ⎞ ⎤ ⎡⎛ ⎞ ⎛ ⎞ ⎤ ⎪<br />

⎨⎢⎜1 − ⎟ : ⎜ ⎟ ⎥ : ⎜ −1 ⎟ ⎬ : ⎨⎢⎜ − ⎟ ⋅⎜ −1⎟ ⎥ ⋅ ⎢⎜1 − ⎟ : ⎜ + ⎟ ⎥ ⎬<br />

⎪⎩ ⎢⎣ ⎝ 5 ⎠ ⎝ 5 ⎠ ⎥⎦ ⎝ 5 ⎠ ⎪⎭ ⎪⎢⎣ ⎝ 5 5 ⎠ ⎝ 5 ⎠ ⎥⎦ ⎢⎣ ⎝ 5 ⎠ ⎝ 5 5 ⎠<br />

⎩<br />

⎥⎦<br />

⎪⎭<br />

377 <br />

1<br />

5 4 −1 −1− 1 3 [ 1 4 3 ⋅ 4−9 2 ] ⋅3 4 3− 2 27 ⋅ 9<br />

10 10 − 1 40<br />

R. 2<br />

378 [0,6254,5⋅0,75−0, 6]: [0,8750,75⋅2,5−2, 3] R. 1<br />

379<br />

{ 3− [ 0,6− 0,16 5 12] :0,25<br />

}2⋅0,6−0,625 R.<br />

73<br />

R 2 5−46<br />

8<br />

27

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