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2023-20:{[10-4×4:(a-3×5) ]+2}=2018

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Răspuns :

Răspuns:

20:{[10-4×4:(a-3×5)]+2}=2023 - 2018

20:{[10-4×4:(a-3×5)]+2}=5

[10-4×4:(a-3×5)]+2 = 20 : 5

[10-4×4:(a-3×5)]+2=4

10-4×4:(a-3×5)= 4-2

10-4×4:(a-3×5)=2

4×4:(a-3×5)=10-2

4×4:(a-3×5)=8

16:(a-3×5) = 8

a-3×5= 16 : 8

a-3×5=2

a-15 = 2

a = 2 + 15

a = 17