0 1 -1 10 -10 0.1 -0.1 А дальше на калькуляторе посчитай
0 1 1 100 100 0.01 0.01
0 1 -1 1000 -1000 0.001 -0.001
0 1 1 10000 10000 0.0001 0.0001
A₉=a₁+8d=-22.2
a₂₃=a₁+22d=-41.8
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14d=-19.6
d=-1.4
1+(a-(1-2a))-4a=1+а-1+2а-4а=-а=-(-7/85)=7/85
1) 2^20·2^12/2^4·2^24 = 2^32/2^28 = 2^4 = 4² = 16
2) 6^20 /(6^8 ·6·6^10) = 6^20/6^19 = 6
3) 5^18/(5·5^12·5²) = 5^18/5^15 = 5³ = 125
4) (3^24 ·3^5)/(3^20 ·3^8) = 3^29/3^28 = 3