1. -8.9 - 1.9 = -10.8
2. -2.4 + a - 10.4 = a - 12.8
3. 5.5 + b
4. -13.8 - c - 20.2 = -34 - c
720.
1. -8.4 - 9.6 +a +b = -18 + a + b
4. -61 2/9 - 68 1/6 - к + т = -((61 + 68) + (2/9 + 1/6)) - к + т = -(129 + (4/18 + 3/18) - к + т = -129 7/18 - к + т
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1. -8.9 - 1.9 = -10.8
2. -2.4 + a - 10.4 = a - 12.8
3. 5.5 + b
4. -13.8 - c - 20.2 = -34 - c
720.
1. -8.4 - 9.6 +a +b = -18 + a + b
4. -61 2/9 - 68 1/6 - к + т = -((61 + 68) + (2/9 + 1/6)) - к + т = -(129 + (4/18 + 3/18) - к + т = -129 7/18 - к + т