Question

1+2×[3+4×(15+6a)]-25×3=100​

Answer 1

1+2x[3+4x(15+6)]-25x3=100
1+2x[3+4x21)]-25x3=100
1+2x[7x21]-25x3=100
1+2x147-25x3=200
1+2x147-75=100
1+294-75=100
1+219=100
220=100

Sper că e corect! :)

Answer 2

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Explicație pas cu pas:

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