ДР 1) 3 - 9,0044; 2) 82,1 - 9,337; 3) 55,288 - 47; 4) 308,6217 : 9; 5) 9,456 + 93,363; 6) 34,313 + 28,7545; 7) 37 : 3,2; 8) 15,625 * 0,128; 9) 5,9562 : 0,72; 10) 7,7 * 10,88; 11) 3,9274 + 5,0726; 12) 9,843 - 4,743.

Решим примеры по действиям:

1. $$3 - 9,0044 = -6,0044$$
2. $$82,1 - 9,337 = 72,763$$
3. $$55,288 - 47 = 8,288$$
4. $$308,6217 : 9 = 34,2913$$
5. $$9,456 + 93,363 = 102,819$$
6. $$34,313 + 28,7545 = 63,0675$$
7. $$37 : 3,2 = 11,5625$$
8. $$15,625 \cdot 0,128 = 2$$
9. $$5,9562 : 0,72 = 8,2725$$
10. $$7,7 \cdot 10,88 = 83,776$$
11. $$3,9274 + 5,0726 = 9$$
12. $$9,843 - 4,743 = 5,1$$

Ответ:

1. $$\textbf{-6,0044}$$
2. $$\textbf{72,763}$$
3. $$\textbf{8,288}$$
4. $$\textbf{34,2913}$$
5. $$\textbf{102,819}$$
6. $$\textbf{63,0675}$$
7. $$\textbf{11,5625}$$
8. $$\textbf{2}$$
9. $$\textbf{8,2725}$$
10. $$\textbf{83,776}$$
11. $$\textbf{9}$$
12. $$\textbf{5,1}$$