9.24×0.99.24 1×0.680.68
3.6×1.013.6 2.34×1.523.4×0.15
56×13= 5.6×1.3=
0.056×1.3= 560×0.013=
3.12×0.5=×
12.5×8.7×0.8=(×)×
(2.5+0.6)×4=×+×
4.1×1.5+5.9×1.5=(+)×
0.9×0.8= 0.8×1.2= 0.12×50= 60×0.8=
1.8×0.04= 0.15×0.4= 1.3×0.004= 5.8-0.8×5=
①53×0.19=
②3.54×0.31=
③☆0.97×3.02=
④3.84×2.6=
⑤0.028×1.7=
⑥1.05×0.29=
①3.45×102
②0.47×0.5×0.8
③3.17+0.83×1.6
④7.2×1.25
⑤0.46×1.9+0.54×1.9
⑥0.125×3.2×2.5