电子课本网 第14页

第14页

信息发布者:
B
B
A
9
0.09
0.3
5.12
7.45
0.036
0.9
2.3
14.75−(4.56+2.75)
=14.75−2.75−4.56
=12−4.56
=7.44
28.6×10.1
=28.6×(10+0.1)
=28.6×10+28.6×0.1
=286+2.86
=288.86
=4.11
=0.65
=12
=3.23