Question

c) [11²+ (9² – 5 • 7³: 35): 2³] : 5²​

Answer 1

Răspuns:

$( {11}^{2} + ( {9}^{2} - 5 \times {7}^{3} \div 35) \div {2}^{3} ) \div {5 }^{2} \\ (121 + (81 - 5 \times 343 \div 35) \div 8) \div 25 \\ (121 + (81 - 1715 \div 35) \div 8) \div 25 \\ (121 + (81 - 49) \div 8) \div 25 \\ (121 + 32 \div 8) \div 25 \\ (121 + 4) \div 25 \\ 125 \div 25 \\ 5$

Answer 2

Răspuns:

Explicație pas cu pas: