计算2.6×1.07时,要先算 和 相乘的积,再从积的 边数出 位小数,点上小数点.
: =15÷ == (填小数).
= : ==6÷ .
0.6==18÷ = :10= %
:8=0.8: =0.2= .
8: ===2.4÷ = (填小数)