14 : - 10 = - 12?

14 : - 10 = - (14 : 10) = 14• ( - 1 / 10) = - 14 / 10 = - 1 4 / 10 = - 1, 4 - 12.

345 : - 987 = 12, 345 : 987 = 12 345 / 1000 • 1 / 987 = 12 (345 : 5) / (1000 : 5) • 1 / 987 = 12 69 / 200• 1 / 987 = (200•12 + 69) / 200• 1 / 987 = 2469 / 200• 1 / 987 = 823 / 200• 1 / 329 = 823 / 65800 = (≈0, 0125)

437 : 23 = 19 ;

{ (437 / 1• 1 / 23 = 19 / 1• 1 / 1 = 19)} - 17.

250 : 32 = - 17, 25• 1 / 32 = - 17 25 / 100• 1 / 32 = - 17 (25 : 25) / (100 : 25) • 1 / 32 = - 17 1 / 4• 1 / 32 = - (4•17 + 1) / 4 • 1 / 32 = - 69 / 4• 1 / 32 = - 69 / 128 = ( ≈0, 539) - 5.

600 : - 100 = 5, 6• 1 / 100 = 5, 6• 0, 01 = 0, 056

{ ( - 5, 600 : - 100) = 5, 6• 1 / 100 = 5 6 / 10• 1 / 100 = (10•5 + 6) / 10• 1 / 100 = 56 / 10• 1 / 100 =

14 / 10• 1 / 25 = 14 / 250 = (14 : 2) / (250 : 2) = 7 / 125 = 0, 056}

1.

234 : 14 = 1 234 / 1000• 1 / 14 = 1 (234 : 2) / (1000 : 2) • 1 / 14 = 1 117 / 500• 1 / 14 = (500•1 + 117) / 500• 1 / 14 = 617 / 500• 1 / 14 = 617 / 7000 = (≈ 0, 088) - 585 : 45 = - 13

{ - 585 / 1• 1 / 45 = - 117 / 1• 1 / 9 = - 117 / 9 = - 13}

79.

943 : - 79 = 79 943 / 1000• ( - 1 / 79) = (1000•79 + 943) / 1000• ( - 1 / 79) = 79943 / 1000• ( - 1 / 79) = - 79943 / 79000 = - 1 943 / 1000 = (≈ - 1, 012)

7.

245 : 26 = 7 245 / 1000• 1 / 26 = 7 (245 : 5) / (1000 : 5)• 1 / 26 = 7 49 / 200• 1 / 26 = (200•7 + 49) / 200• 1 / 26 = 1449 / 200• 1 / 26 = 1449 / 5200 = (≈0, 279) - 875.

993 : 4.

356 = - 875 993 / 1000 : 4 356 / 1000 = - (1000•875 + 993) / 1000 : 4 (356 : 4) / (1000 : 4) = - 875993 / 1000 : 4 89 / 200 = - 875993 / 1000 : (200•4 + 89) / 200 = - 875993 / 1000 : 889 / 200 = - 875993 / 1000• 200 / 889 = - 875993 / 5• 1 / 889 = - 875993 / 4445 = - 197 328 / 4445 = (≈ - 197, 074)

990 : - 55 = - 18

{990 : - 55 = 990 / 1• - 1 / 55 = 18 / 1• - 1 / 1 = - 18}

86.

324. - 81 = 86 324 / 100 : - 81 = 86 (324 : 4 / (100 : 4) • - 1 / 81 = 86 81 / 25• - 1 / 81 = (25• 86 + 81) / 25• - 1 / 81 = 2231 / 25• - 1 / 81 = - 2231 / 2025 = - 1 206 / 2025 = (≈ - 1, 102) - 456 : 10 = - 45, 6

{ - 456 : 10 = - 456 • 1 / 10 = - 456•0, 1 = - 45, 6 ; - 456 : 10 = - 456 / 1 •1 / 10 = - 228 / 1• 1 / 5 = - 228 / 5 = - 45 3 / 5 = - 45, 6}

567 : - 11 = 567 / 1• - 1 / 11 = - 567 / 11 = - 51 6 / 11 = [≈ - 51, (54)] - 12.

356 : - 18 = 12 356 / 1000• 1 / 18 = 12 (356 : 4) / (1000 : 4)• 1 / 18 = 12 89 / 250• 1 / 18 = (250•12 + 89) / 250• 1 / 18 = 3089 / 250• 1 / 18 = 3089 / 4500 = (≈0, 686) - 28.

523 : - 458 = 28 523 / 1000• 1 / 458 = (1000•28 + 523) / 1000• 1 / 458 = 28523 / 1000• 1 / 458 = 28523 / 458000 = (≈0, 06).