lema Calculati: 100-(8 x 8:8) = (10 + 13) + (36: 9-21: 7) = (5 x 4)+(45 - 2 x 3 x 6 x 0) = 24 + (100-9:9- 5 x 10) = 5 x(10:10 x10) + (8 x 3 - 23) = 48 + (93-90) x 9 + (24:3 x 0) = 24: 8x3 x 4:6= (24+ 6x2):4 +7-28 - 12:3):6= (54: 6x3 - 6x2): 3 = (4x8+ 3x9 +21):10: (40 - 9x4) =
