问题
解答题
把不对的地方改正确.
(1)0.78×1.32-0.32
=0.78×1
=0.78.
(2)3.5+2.5×1.42
=6×1.42
=8.52.
答案
改正:
(1)0.78×1.32-0.32
=1.0296-0.32
=0.7096;
(2)3.5+2.5×1.42
=3.5+3.55
=7.05.
把不对的地方改正确.
(1)0.78×1.32-0.32
=0.78×1
=0.78.
(2)3.5+2.5×1.42
=6×1.42
=8.52.
改正:
(1)0.78×1.32-0.32
=1.0296-0.32
=0.7096;
(2)3.5+2.5×1.42
=3.5+3.55
=7.05.