Question

[1+2:3x4]x[9x7(7-8):(6+5)]

Answer 1

[1+2÷3×4]×[9×7(7-8)÷(6+5)]
= [(1+2)÷(3×4)]×[(9)×7(7-8)÷(6+5)]
=[3÷12]×[9×(49-56)÷11]
=[0,25]×[(9×9)÷11]
=[0,25]×[81÷11]
=0,25×7,36
=1,840.