Question

(23-5.4+3)+5.[(12-4.2).3.-(25-6.4)-1]​

Answer 1

Olá!

(23-5.4+3) +5.[(12-4.2) .3-(25-6.4)-1]

(23-20+3) +5.[(12-8) .3-(25-24)-1]

6 +5.[4 .3-1-1]

6 +5.[12-2]

6 + 5.10

6 +50 ==> 56

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