15255÷65 = 234.(692307)
-15255
1 3 0 ответ: 234.692307
65 × 2 = 130
- 2 2 5 152 - 130 = 22
1 9 5 65 × 3 = 195
- 3 0 5 225 - 195 = 30
2 6 0 65 × 4 = 260
- 4 5 0 305 - 260 = 45
3 9 0 65 × 6 = 390
- 6 0 0 450 - 390 = 60
5 8 5 65 × 9 = 585
- 1 5 0 600 - 585 = 15
1 3 0 65 × 2 = 130
- 2 0 0 150 - 130 = 20
1 9 5 65 × 3 = 195
- 5 0 0 200 - 195 = 5
4 5 5 65 × 7 = 455
4 5 500 - 455 = 4
1.5х+4х=-12+1
9х=-11
х=-11/9=-1 2/9