电子课本网 第43页

第43页

信息发布者:

5.2
0.27
20
0.3
2
30
0.16
30
12
24
18
10
6
6
1.1
=54.74
=36.57
=200
=7.6
=19.9÷(2.5×0.4)
=19.9
=(15.25+4.75)-(4.72+5.28)
=20-10
=10
=(101-1)×0.41
=41
=4.95×[2.46÷0.3]
=40.59