0.6×4=( )
227×82= 650×90= 708×42= *468×25=
128+a=a+ 235+47+53=235+(47+)
35×a=×35 32×(16+x)=32×16+32×
①78×134+66×78
②3600÷45÷2
③3.6+5.31+6.4+5.69
④125×64×8
⑤78.12-0.76-0.24
⑥600-(504-216)÷24
12.34×9+0.05=111.11
123.45×9+0.06=1111.11
×9+=
=10-6
=4
2×10-6×2
=20-12
=8
3×10-6×3
=-
=
×10-6×