1) 2.3+4.5= a) 6.6 b) 6.8 c) 5.6 d) 5.8 2) 4+2.9= a) 4.3 b) 4.4 c) 6.9 d) 6.3 3) 1.8+12.3= a) 14.1 b) 13.1 c) 30.3 d) 30.1 4) 0.3+0.7= a) 0.1 b) 1 c) 1.1 d) 1.2 5) 0.9-0.4= a) 0.3 b) 0.4 c) 0.5 d) 0.6 6) 4-0.2= a) 0.2 b) 3.2 c) 3.6 d) 3.8 7) 14.6-9= a) 5.6 b) 13.7 c) 13.6 d) 13.5 8) 20.5-3.6= a) 16.9 b) 16.8 c) 17.6 d) 17.9

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