Question

4. Efectuați calculele: 12√3-7{8√2-4[5√3+3(4√2-3√3)]: 8} = ​

Answer 1

4. Efectuați calculele: 12√3-7{8√2-4[5√3+3(4√2-3√3)]: 8} = 12√3-7{8√2-4[5√3+12√2-9√3)]: 8} =

12√3-7[8√2-4(12√2-4√3): 8] =

12√3-7[8√2-8(6√2-2√3): 8] =

12√3-7(8√2-6√2+2√3)=

12√3-7(2√2+2√3)=

12√3-14√2-14√3=

-2√3-14√2=

-2(√3+7√2)