Question

Calculați urgent dau coroana

Answer 1

Răspuns:

3. a)

${5}^{2} + {3}^{4} - {2}^{5 } \\ 25 + 81 - 32 \\ 106 - 32 = 74$

b)

$3 \times {7}^{2} - {2}^{4} \\ 3 \times 49 - 16 \\ 147 - 16 = 131$

c)

$3 \times {2}^{6} + 2 \times {9}^{2} \\ 3 \times 64 + 2 \times 81 \\ 192 + 162 = 354$

Answer 2

Răspuns:

a) 25+81-32=74

b) 3×49- 16= 147-16= 131

c) 3×64+2x81= 192+162= 354