Question

-120÷[-45-{15-10×(-18-15)}]

Answer 1

Answer:

-120÷[-45-{15-10×(-18-15)}]

= -120÷[-45-{15-10×33}]

= -120÷[-45-{15-330}]

= -120÷[-45+315]

= -120÷270

= -4/9

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Answer 2

Answer:

$\frac{-4}{9}$

Step-by-step explanation:

We use BODMAS and start by solving the brackets from inside,

$-120/[-45-{15-10*(-18-15)}]$

$\frac{-120}{[-45-{15-10*(-18-15)}]}$

$\frac{-120}{[-45-{15-10*(-33)}]}$

$\frac{-120}{[-45-{15+330}]}$

$\frac{-120}{[-45+{315}]}$

$\frac{-120}{270}$

$\frac{-12}{27}$

$\frac{-4}{9}$