Răspuns :
Răspuns:
2⁹×2¹²:2¹⁹=2²¹:2¹⁹=2²=4
17⁸×17¹³:17²¹=17²¹:17²¹=1
24³×24¹⁷:24²⁰=24²⁰:24²⁰=1
Salut!
2⁹ × 2¹² ÷ 2¹⁹ <=>
<=> 2⁹⁺¹² ÷ 2¹⁹ <=>
<=> 2²¹ ÷ 2¹⁹ <=>
<=> 2²¹⁻¹⁹ <=>
<=> 2² = 2 × 2 <=>
<=> 4
17⁸ × 17¹³ ÷ 17²¹ <=>
<=> 17⁸⁺¹³ ÷ 17²¹ <=>
<=> 17²¹ ÷ 17²¹ <=>
<=> 17²¹⁻²¹ <=>
<=> 17⁰ = 1
24³ × 24¹⁷ ÷ 24²⁰ <=>
<=> 24³⁺¹⁷ ÷ 24²⁰ <=>
<=> 24²⁰ ÷ 24²⁰ <=>
<=> 24²⁰⁻²⁰ <=>
<=> 24⁰ = 1