Question

计算：7/9×{4.85÷5/18-3.6+6.15×三又五分之三}

Answer 1

7/9*(4.85/5/18-3.6+6.15*3又3/5)

=7/9*(4.85*18/5-1*18/5+6.15*18/5)

=7/9*(4.85-1+6.15)*18/5

=7/9*10*18/5

=28