①△9.23÷3.1≈
②18.9÷18=
③※8.5÷0.25=
④☆840÷17≈
⑤7.416÷1.2=
⑥72÷0.45=
①1.45×0.12=
②3.08×0.28=
③2.78×4.6=
④13.5×26.7=
⑤6.15×0.35=
⑥92.32×3.4=
3.9÷3=
2.2×10=
4.5÷0.9=
0.25×20=
9.9÷9=
0.6×0.7=
0.35÷0.5=
4.2×50=
6个 , 平均分成份,每份个。