-6 0 +1.01 -0.73 100 -10.3
x
2
3
y
4
0.6
12
19+32= 0.65×2= 55-20= 1.6+0.9=
×0.3= 1.5× = ÷8= 2.35-0.73-0.27 =
1÷ = 6÷ = 15× = ( + )×12=
数量/本
0
1
5
6
…
总价/元
8
10