Question

45-{2-[5+4+(6-2)-(7+3-9)+6]-7}+8

Answer 1

Explicação passo-a-passo:

45-{2[5+4+(6-2)-(7+3-9)+6]-7}+8

45-{2.5+4(6-2)-(7+3-9)+6.-7}

45-2.5+4(6-2)-(7+3-9)+6.-7

45-2.5+4.6-2-7+3-9+6.-7

43.5+4.6-2-7+3-9+6.-7

215+4.6-2-7+3-9+6.-7

219.6-2-7+3-9+6.-7

1314-2-7+3-9+6.-7

1312-7+3-9+6.-7

1305+3-9+6.-7

1308-9+6.-7

1299+6.-7

1315.-7

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