数学小诊所．（把不对的改正）0.78×1.32-0.32=0.78×1=0.783.5+2.5×1.42=6×1.42=8.52．

Question

数学小诊所．（把不对的改正）
0.78×1.32-0.32
=0.78×1
=0.78
3.5+2.5×1.42
=6×1.42
=8.52．

Answer 1

（1）0.78×1.32-0.32
=0.78×1
=0.78．（×）
改正：
0.78×1.32-0.32
=1.0296-0.32
=0.7096；

（2）3.5+2.5×1.42
=6×1.42
=8.52．（×）
改正：
3.5+2.5×1.42
=3.5+3.55
=7.05．