3.25×1.8=
3.25×0.18=
325×0.18=
0.325×18=
左边放进去的数
右边放进去的数
100
97.5
90
87.5
56.5
54
……
45.3
42.8
a
?
3.141×0.993.141 4.39×104.39÷0.1
15.8÷5=
4.68÷1.3=
25.2÷0.18=
4.4×4= 7.88-0.78= 24.8÷8=
3.8+65= 5+5.05÷5= 1÷4+4=
1.8×0.3÷1.8×0.3= ( )÷0.15=75÷( )
(只)