简便计算 29/20*99+29/20 6/13*5/12÷5/13 1-5/8÷25/28-3/10
问答/107℃/2024-05-11 02:00:54
优质解答:
29/20*99+29/20
=29/20*(99+1)
=29/20*100
=145
6/13*5/12÷5/13
=6/13÷5/13*5/12
=6/5*5/12
=1/2
1-5/8÷25/28-3/10
=1-(7/10+3/10)
=0
问答/107℃/2024-05-11 02:00:54
29/20*99+29/20
=29/20*(99+1)
=29/20*100
=145
6/13*5/12÷5/13
=6/13÷5/13*5/12
=6/5*5/12
=1/2
1-5/8÷25/28-3/10
=1-(7/10+3/10)
=0