9.24×0.99.24 1×0.680.68
3.6×1.013.6 2.34×1.523.4×0.15
3.9×0.013.9÷100 1.231.233 2.466
3.6÷0.1=
7.2×0.3=
0.45+0.55=
0.56÷0.7=
0.07×0.8=
9.2-1.2=
0.16×0.5=
80.3÷20.02≈
时间/时
1
2
3
4
5
6
高度/cm
9
12