①14+x=26.8
0.3×0.2= 3.4×10= 0.25×8= 500×0.02=
4.2÷0.6= 10÷0.01= 45÷4.5= 0.32÷8=
8.7-1.75=
0.03×10=
0.72÷0.9=
0.125×0.4=
+=
-=
1-=
3×1.4=
1.56÷0.78=
0.63÷0.7=
10-0.55=
120.9-34.77= 4.8×1.25= 13.5÷0.45=
数量(千克)
0
1
2
3
4
5
6
7
……
总价(元)
25
50
75
100
125
150
175