Question

(-10)².[20÷(2+2)-(-4) =
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Answer 1

$\mathsf{(-10)^2.[20\div(2+2)-(-4)]}\\\mathsf{100.[20\div4+4]}\\\mathsf{100.[5+4]}\\\mathsf{100.9=900}$

Answer 2

Olá!!!

( - 10 )² × [ 20 ÷ ( 2 + 2 ) - ( - 4 ) =

100 × [ 20 ÷ ( 2 + 2 ) - ( - 4 ) =

100 × [ 20 ÷ 4 + 4 ] =

100 × [ 9 ] =

100 × 9 =

900