0.4×8=
7.3-2.3=
3.6÷9=
0.01+0.9=
0.07×100=
1.5×6=
2.5+6=
0.12=
1-=
+=
1.5×20%=
16÷20%= 4.8÷(0.4+1.2)=
-(-)= 12÷0.25÷4=
1.2+0.26= 0.03÷0.4= 1÷150%= 25×4÷25×4=
- = 3÷ = 16×( × )= + + + =
2.43+1.57=
2- =
× =
640÷8=
4.5× =
25÷50%=
原价:25元/个
现价:14元/个