Răspuns:
c) [-1×(+2)×(-3)]⁴:36=
=[1×(+2)×(-3)]⁴÷36=
=[2×(-3)]⁴:36=
=
[tex] \frac{(2x( - 3)) {}^{4} }{36} [/tex]
[tex] \frac{16 \times81 }{36} [/tex]
[tex] \frac{4 \times 81}{9} [/tex]
=4×9=
=36
d) -[2×(-3)×(-5)]³÷(-900)=
=[2×(-3)×(-5)]³÷900=
[tex] \frac{(2 \times ( - 3) \times ( - 5)) {}^{3} }{900} [/tex]
[tex] \frac{8 \times ( - 27) \times ( - 125)}{900} [/tex]
[tex] \frac{8 \times 27 \times 125}{900} [/tex]
[tex] \frac{2 \times 27 \times 125}{225} [/tex]
[tex] \frac{2 \times 3 \times 125}{25} [/tex]
=2×3×5=
=30
