Question

5减10分之1乘2分之3除8分之3 6除5分之3减6分之5乘0.3 5分之4乘3分之2加3分之1除4分之5 用递等式计算

Answer 1

5-1/10*3/2*8/3

=5-8/45

=4又37/45

6*5/3-5/6*0.3

=10-0.25

=9.75

4/5*2/3+1/3*4/5

=8/15+4/15

=12/15

=4/5