Răspuns :
Ex4 :21 ^16, 35 ^10, 70 ^34, 10 ^4, 165 ^12, 84 ^30
Ex 5 :4 ^24, 25 ^45, 2 ^17, 3 ^36, 3 ^21, 25 ^8
Rezolvare ex 4
A) 3 ^16×7^16 =(3 ×7)^16 =21 ^16
B)7 ^10 ×5 ^10 =(7 ×5)^10 =35 ^10
C) 2 ^34 ×5 ^34 ×7 ^34 =(2×5×7)^34 =70 ^34
D) 5 ^4 ×2 ^4 =(5 ×2) ^4 =10 ^4
E) 15 ^12 ×11 ^12 =(15 ×11) ^12 =165 ^12
F) 6 ^30 ×7 ^30 ×2 ^30 =(6 ×7 ×2) ^30 =84 ^30
Rezolvare ex 5
A) 12 ^24 :3 ^24 =(12 :3) ^24 =4 ^24
B) 125 ^45 :5 ^45 =(125 :5) ^45 =25 ^45
C) 18 ^17 :9 ^17 =(18 :9) ^17 =2 ^17
D) 9 ^36 :3 ^36 =(9 :3) ^36 =3 ^36
E) 9 ^21 :3 ^21 =(9 :3) ^21 =3 ^21
F) 125 ^8 :5 ^8 =(125 :5) ^8 =25 ^8
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