~-8,286
Пошаговое объяснение:
-8 2/7=-58/7
-58:7~-8,286
ответ:
1) 1729 - x = 97
- x = 97 -1729
- x = 1632
x = 1632
2) 4300 + x = 7985
x = 7985 - 4300
x = 3685
3) 8408 - x = 4805
- x = 4805 - 8408
- x = -3603
x = 3603
4) 7307 - x = 2739
- x = 2739 - 7307
- x = - 4658
x = 4658
5) x - 583 = 1301
x = 1301 + 583
x = 1884
6) 7158 - x = 4807
- x = 4807 - 7158
- x = - 2351
x = 2351
7) 1 - x = 197
- x = 197 - 1000
- x = - 803
x = 803
8) 5111 - x = 426
- x = 426 - 5111
- x = - 4685
x = 4685
9) x - 1482 = 6508
x = 6508 - 1482
x = 7990
10) x - 6671 = 1925
x = 1925 + 6671
x = 8596
11) x - 1205 = 5078
x = 5078 - 1205
x = 6283
12) 1000 - x = 273
- x = 273 - 1000
- x = - 727
x = 727
13) x - 496 = 308
x = 308 + 496
x = 804
14) 384 + x = 578
x = 578 + 384
x = 194
1)(x+1)^2=x^2+2x+1 1)(6-d)^2=36-12d+d^2
2)(a-3)^2=a^2-6a+9 2)(7+g)^2=49+14g+g^2
3)(y+3)^2=y^2+6y+9 3)(8-h)^2=64-16h+h^2
4)(b-4)^2=b^-8b+16 4)(9+k)^2=81+18k+k^2
5)(c+5)^2=c^2+10c+25 5)(10-m)^2=100-20m+m^2
6)(t-16)^2=t^2-32t+256 6)(n+11)^2=n^2+22n+121
7)(17+u)^2=199+34u+u^2 7)(p-12)^2=p^2-24p+14
8)(18-v)^2=664-36v+v^2 8)(q+13)^2=q^2+26q+169
9)(19+w)^2=361+38w+w^2 9)(r-14)^2=r^2-28r+196
10)(20-z)^2=400-40z+z^2 10)(s+15)^2=s^2+30s+225
11)(n+11)^2=n^2+22n+121 11)(n+12)^2=n^2+24n+144
12)(2x+y)^2=2x^2+4xy+y^2 12)(3x+y)^2=3x^2+6xy+y^2
13)(3a-b)^2=3a^2-6ab+b^2 13)(4a-b)^2=4a^2-8ab+b^2
14)(4c+2)^2=4c^2+16c+4 14)(4c+5)^2=4c^2+40c+25
15)(5d-3)^2=5d^2-30d+9 15)(6d-3)^2=6d^2-36d+9
16)(6h+4)^2=6h^2+48h+8 16)(2h+5)^2=2h^2+20h+25
Пошаговое объяснение:
ответ - 8,285714, я перевела в неправильную дробь и поделила числитель на знаминатель.