ГДЗ - алгебра - 8 класс - Макарычев

Page 178

г)

108 − 104 ;

д)

(−5)4

= (−5) = 25;

е)

(−2)8

= (−2) = 16;

ж)

34 ⋅ 52 = 32 ⋅ 5 = 45;

з)

2

4

26 ⋅ 27 = 27 ⋅ 72 = 8 ⋅ 49 = 392.

№393 а)

114 = 112 = 121;

б)

46 = 43 = 64 = 64;

в)

(−3)8

= (−3) = 81 = 81;

г)

(−6)4

= (−6) = 36;

д)

28 ⋅ 32 = 24 ⋅ 3 = 48;

е)

34 ⋅ 56 = 32 ⋅ 53 = 9 ⋅ 125 = 1125;

ж)

72 ⋅ 24 7 ⋅ 24 = 7 ⋅ 24 = 112;

з)

36 ⋅ 54 = 33 ⋅ 52 = 27 ⋅ 25 = 675.

4

2

№394 а)

20736 = 28 ⋅ 34 = 24 ⋅ 32 = 24 ⋅ 32 = 16 ⋅ 9 = 144;

б)

50625 = 34 ⋅ 54 = 32 ⋅ 52 = 9 ⋅ 25 = 225;

в)

28224 = 26 ⋅ 32 ⋅ 72 = 23 ⋅ 3 ⋅ 7 = 8 ⋅ 3 ⋅ 7 = 168;

г)

680625 32 ⋅ 54 ⋅ 112 = 3 ⋅ 52 ⋅ 11 = 3 ⋅ 2511 = 825.

№395 а)

2304 = 28 ⋅ 32 = 24 ⋅ 3 = 24 ⋅ 3 = 16 ⋅ 3 = 48;

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