Напишите 12 примеров на сложение дестичной дроби

1.8 + 1.2 = 3      3.5 - 2.1 =1.4           1.4 + 8.4 = 9.8
9.8 - 4.5 =5.3      5.3 + 2.7 = 8            8.1 - 7.2 = 0.9
0.9 + 2.2=3.1       3.1 - 1.9 = 1.2          1.2 + 4.7 = 5.9
5.9 - 3.2 = 2.7       2.7 + 3.1 = 5.8         5.8 - 2.9 = 2.9