0.77÷14=?用简便方法
问题描述:
0.77÷14=?用简便方法
答
0.77÷14
=0.77÷7÷2
=0.11÷2
=0.055
0.77÷14=?用简便方法
0.77÷14
=0.77÷7÷2
=0.11÷2
=0.055