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Matematica C3 – Algebra 1 - itis magistri cumacini

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www.matematicamente.it - <strong>Matematica</strong> C 3 – <strong>Algebra</strong> 1 – 1. Numeri►25. Espressioni con le frazioniEsempio{ 3Esempio20 [ × 4 −913: 5 3 1−725:14 1 5 × 1 9] 15} 2 : 2 =15} : 2 =={ 320 [ × 4−39 : 5 15−1435 : 114 45] 1 2={ 320 [ × 1 9 :5 135 : 114 45] 115} 2{ : 2 = 3 20 [ × 1 9 ⋅1 5 1 35 ⋅14 1 1 45 ] 2 15 } : 2 =={ 320 [ × 1 45 135 5⋅142 1 45] 1 2={ 320 [ × 118145 ] 15} 2{ : 2 = 3 20 [ × 20445 ] 9={ 3120 5 × 419 3 215} { : 2 = 320 [ × 1 45 2 5 45] 115} 2 : 2 =2 15 } : 2 = { 3 20 ×4 9 2 15 } : 2 =15} : 2 = { 1 15 15} 2 : 2 = 3115 : 2 = 1 5 5 ⋅1 2 = 1 10[ 13 5 : 9310 7 8 13 4 − 2 × 415 − 7 8] × 11 3 : 6−1 2 ==[ 13 5 : 30910 7 8 13−84 × 415 − 7 8] × 113 : 12−12 ==[ 13 5 : 3910 7 8 5 4 × 415 − 7 8] × 113 : 11 2 ==[ 13 5 × 1039 7 8 514 1 × 4115 3 − 7 8] × 11 3 × 211 ==[ 1315 1 × 10239 3 7 8 1 3 − 7 8] × 11 3 × 2 11 ==[ 2 3 7 8 1 3 −7 8 ] × 1113 × 211 1 ==[ 2 3 1 3 ] ×2 3 = 1×2 3 = 2 3Esempio[ 7 25 −1 2 =[ 14−5210 =[ 9 210 2=[ 1−1 9 ]=[ 8 29 ]: 9 210 : 9 210 : 9 210 : 1029 − 12 3 −2 2]22]: 1029 2: 10]− 32−623 2: 1029 − −1 3 − 6625 =− 18 5 1 25 =− 2540125 =29 − 6625 =⋅ 9 210 − 6625 == 4 25 − 6425 =16 25 −66 25 =−50 25 =−2 71

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