ответ: Объяснение:
1.
21,5₁₀ = 1*2⁰ + 0*2¹ + 1*2² + 0*2³ + 1*2⁴ + 1/2¹ = 10101,1₂
21,5₁₀ = 5*8⁰ + 2*8¹ + 4/8¹ = 25,4₈
432,54₁₀ = 0*2⁰ + 0*2¹ + 0*2² + 0*2³ + 1*2⁴ + 1*2⁵ + 0*2⁶ + 1*2⁷ + 1*2⁸ + 1/2¹ + 0/2² + 0/2³ + 0/2⁴ + 1/2⁵ = 110110000,10001₂
432,54₁₀ = 0*8⁰ + 6*8¹ + 6*8² + 4/8¹ + 2/8² + 4/8³ + 3/8⁴ + 6/8⁵ = 660,42436₈
678,333₁₀ = 0*2⁰ + 1*2¹ + 1*2² + 0*2³ + 0*2⁴ + 1*2⁵ + 0*2⁶ + 1*2⁷ + 0*2⁸ + 1*2⁹ + 0/2¹ + 1/2² + 0/2³ + 1/2⁴ + 0/2⁵ = 1010100110,01010₂
678,333₁₀ = 6*8⁰ + 4*8¹ + 2*8² + 1*8³ + 2/8¹ + 5/8² + 2/8³ + 3/8⁴ + 7/8⁵ = 1246,25237₈
2.
12,25₁₀ = 0*2⁰ + 0*2¹ + 1*2² + 1*2³ + 0/2¹ + 1/2² = 1100,01₂
12,25₁₀ = 4*8⁰ + 1*8¹ + 2/8¹ = 14,2₈
97,444₁₀ = 1*2⁰ + 0*2¹ + 0*2² + 0*2³ + 0*2⁴ + 1*2⁵ + 1*2⁶ + 0/2¹ + 1/2² + 1/2³ + 1/2⁴ + 0/2⁵ = 1100001,01110₂
97,444₁₀ = 1*8⁰ + 4*8¹ + 1*8² + 3/8¹ + 4/8² + 3/8³ + 2/8⁴ + 4/8⁵ = 141,34324₈
7896,2₁₀ = 0*2⁰ + 0*2¹ + 0*2² + 1*2³ + 1*2⁴ + 0*2⁵ + 1*2⁶ + 1*2⁷ + 0*2⁸ + 1*2⁹ + 1*2¹⁰ + 1*2¹¹ + 1*2¹² + 0/2¹ + 0/2² + 1/2³ + 1/2⁴ + 0/2⁵ = 1111011011000,00110₂
7896,2₁₀ = 0*8⁰ + 3*8¹ + 3*8² + 7*8³ + 1*8⁴ + 1/8¹ + 4/8² + 6/8³ + 3/8⁴ + 1/8⁵ = 17330,14631₈
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