Il Maraschini-Palma - volume 1

10 Equazioni e disequazioni di primo grado ESERCIZI _1_ _1_ _1_ _2_ _5_ _7_ _3_ _5_ _5_ 142 4x 1 = 1 4x 1 = 0 5x + 1 = 0 [2 ; 4 ; 5] 143 3x 2 = 0 6x 5 = 0 4x + 7 = 0 [3 ; 6 ; 4] 144 2x + 1 = 4 2x + 1 = 4 2x 1 = 4 2x 1 = 4 145 3x + 1 = 3 3x + 1 = 3 3x 1 = 3 3x + 1 = 3 1 x __ = 1 3 1 _ x _ = 1 3 1 __ x = 4 3 1 _ _ x = 5 2 1 2 x = __ 3 1_ 1_ _ _ x= 2 4 _2_ p = 1 3 1 x + __ = 1 3 1 _ x + _ = 1 3 _1_ + x = 4 3 1 __ x = 5 2 1 2 + x = __ 3 1_ 1 _ x = __ 2 4 _4_ p = _1_ 5 2 1 x __ = 1 3 1 _ x _ = 1 3 _1_ x = 4 3 1 __ + x = 5 2 1 2x = __ 3 1_ 1 _ + x = __ 2 4 _3_ s = _3_ 4 2 153 3 = 2 + x 5 = 3x 1 7 = 1 3x 2 = 2 + x 154 4 = 3a 3 = 2b 0=4 c _1_ = 2d 1 155 __ = 2x _1_ = 3x _1_ = 2x v 156 __ + 1 = 2 _v_ 1 = 2 2 v __ + 1 = 2 2 5 _1_ = _1_ x 2 6 v __ 1 = 2 2 157 3,5s = 1 s 3,5 = 1 3,5s 1 = 0 3,5 = s 1 [7 ; 4,5; 7 ; 4,5] 158 a 1,4 = 4,1 0,1b + 1 = 10 _1_ v = 1,6 _u_ = 0,2 [5,5; 90; 3,2; 0,6] 1 3 1 _ x + _ = 1 3 _1_ x = 4 3 _1_ x = 5 2 1 2x = __ 3 1_ 1 _ x = __ 2 4 _3_ t = 0 5 146 x + __ = 1 147 148 149 150 151 152 3 2 2 2 2 x + __ = 0 3 2 __ b = 10 5 2 _1_ x = 3 3 _c_ = 1 5 161 3(x 2) = 0 2(x 3) = 0 5(2x 1) = 0 162 4(x + 3) = 0 3(2x + 1) = 0 5x = 0 x+1 163 _____ = 5 x 1 _____ =5 x + 1 ______ =5 1 1 1 164 __ x + __ = __ _1_ x _1_ = _1_ _1_ x _1_ = _1_ x+1 165 _____ = 2 x 1 _____ =3 x 3 _____ =1 1 3 159 x __ = 0 2 160 __ a = 10 5 2 3 3 2 3 3 x_____ 1 166 =0 2 1 167 __ n 1 = 3 2 168 1 = 2,7 k 3 3 4 3w 4 ______ =1 5 _1_ n 1 = 5 4 1 __ x = 3 3 d __ = 1 5 1 3(x __) = 0 3 7 5(x + __) = 0 8 x 1 ______ =5 2 _1_ x : _1_ = _1_ 3 3 3 x 3 _____ =0 2 z 2 + __ = 1 2 _1_ n + 1 = 2 5 1 = 2,7k 0 = 2,7 k 2 3 2 2u 1 ______ =0 3 _1_ n + 1 = 0 3 1 = 2,7k 3 3 3 3 _3_ [2 ; 2 ; 2 ; 2] _4_ _4_ _2_ _2_ [ 3 ; 3 ; 3 ; 3] _2_ _4_ _2_ _4_ [3 ; 3 ; 3 ; 3] _4_ _2_ _4_ _2_ [ 3 ; 3 ; 3 ; 3] 11 ___ 11 ___ [12; 12; 3 ; 3 ] _9_ _9_ [ 10; 10; 2 ; 2] _1_ _7_ _7_ _1_ [ 6 ; 3 ; 3 ; 6] _1_ _1_ _1_ _1_ [ 2 ; 2 ; 4 ; 4] _3_ _5_ [0; 2 ; 8 ; 2] [1; 2; 2; 4] _4_ _3_ 1 ___ [3 ; 2 ; 4; 10] _1_ _1_ _1_ [6 ; 6 ; 4 ; 3] [2; 6; 2; 6] _2_ _2_ _1_ _2_ [3 , 3 , 9; 9] [25; 25; 5; 5] _1_ _1_ [2; 3; 2 ; 3] _1_ _7_ [ 3; 2 ; 0; 8] [9; 11; 9; 11] _1_ [0; 2; 3; 3] [5; 7; 7; 3] _1_ [1; 2 ; 3; 2] [8; 3; 24; 5] 10 ___ 10 ___ [1,7; 27 ; 27 ; 2,7] 511

Il Maraschini-Palma - volume 1
Il Maraschini-Palma - volume 1
CAPITOLI DEMO: Insiemi, proposizioni e relazioni; Trasformazioni geometriche nel piano.