Question

求高手指点。

Answer 1

1.25乘8乘0.8

Answer 2

1.25×6.4
=(1×6)×(0.25×0.4)
=6×0.1
=0.6

Answer 3

1.25*0.8*8
＝1*8
＝8

Answer 4

等于一点二五称零点八称八等于一乘八等于八

Answer 5

=1.25x（8x0.8）=1.25x8x0.8=10x0.8=8

Answer 6

小数和整数分开

追答

0.4×0.25+1×6

几年级的

追问

五年级的。