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• 2(3/10) + (1.5-0.7) =1. 2(3/10) = 23/10 = 2.32. 2.3 + (1.5-0.7) =3. 1.5 - 0.7 = 0.84. 2.3 + 0.8 = 3.1 • 6(3/4) - (2.35+0.23) =1. 6(3/4) = 27/4 = 6.752. 6.75 - (2.35+0.23) =3. 2.35 + 0.23 = 2.584. 2.35 + 2.58 = 4.17• 3(2/5) - (0.9+0.45) =1. 3(2/5) = 17/5 = 3.42. 3.4 - (0.9+0.45) =3. 0.9 + 0.45 = 1.354. 3.4 - 1.35 = 2.05• (12.4-9.35) + 2(12/25) =1. 2(12/25) = 62/25 = 2.482. (12.4-9.35) + 2.48 =3. 12.4 - 9.35 = 3.054. 3.05 + 2.48 = 5.53• (27.61-8.11) + 4(1/20) =1. 19.5 + 4.05 = 23.55• (6.35-2.05) + 9/10 =1. 4.3 + 0.9 = 5.2DG_Janja