1.

Simplification with brackets!!72÷2 [180÷4{10+(15-45÷9×2)}]

Answer»

ANSWER:

» 72 ÷ 2 [180 ÷ 4 {10 + (15 - 45 ÷ 9 × 2)}]

= 36 [45 {10 + (15 - 5 × 2)}]

= 36 [45 {10 + 5}]

= 36 [675]

= 24300



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