观察下面备题的计算过程和结果,判断是否正确,对的画“√”错的画“×”,并改正过来.
(1)8×
=8=
=72
(2)14.3﹣
=14.3﹣()
=14.3﹣9.6
=4.7
(3)×84+101
=()×185
=
=
=39
(4)12.75﹣[6]
=12.75﹣[6]
=12.75﹣0
=12.75.
观察下面备题的计算过程和结果,判断是否正确,对的画“√”错的画“×”,并改正过来.
(1)8×
=8=
=72
(2)14.3﹣
=14.3﹣()
=14.3﹣9.6
=4.7
(3)×84+101
=()×185
=
=
=39
(4)12.75﹣[6]
=12.75﹣[6]
=12.75﹣0
=12.75.