1212. Ряжiть рiвняння: 1) 0,11x + 0,08x = 45,6; 2) x - 0,64x = 2,808; - 3) 7x + 9x + 0,32 = 2,72; 4) 2,4x1,5x + 47 = 1919; 5) 0,8(x - 1,9) = 0,56; 6) 0,32 (x + 1,4)= 73,6; 7) 0,8 (100 -0,04x) = 8,64; 8) x: 1,15= 0,16; 9) 0,408 : x = 1,7; 10) (x + 9,14): 7,2 = 5; 11) 2,2-x: 0,3 = 0,13; 12) 5,6: (x + 1,6)= 0,08; 13) 5,6x + 0,16 = 0,3; 14) 4,13 1,7x = 4,028. -
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