Question

Calculati: 7 la puterea 100:[7 la puterea 40×7 la puterea 58-(7 la puterea 10×7 la puterea 15) la puterea 5:7 la puterea 27+(8 la puterea 57:8 la puterea 56-1 la puterea 100)la puterea97×7].

Answer 1

7^100:[7^40 \times 7^58-(7^10 \times 7^15)^5:7^27+8^57:8^56-1^100)^97 \times 7]
=7^100:[7^40 \times 7^58-(7^25)^5 : 7^27+(8 - 1)^97 \times 7]
=7^100:[7^98-7^125:7^27+7^98]
=7^100:(7^98-7^98+7^98)
=7^100:7^98
=7^2
=49



Avem ^ = la puterea
Avem \times = inmultit cu