《2025年心算口算巧算五年级上册北师大版》

1 算一算。
1.2÷0.03=
7.86÷3=
7.4-2.8=
4.59÷9=
0.86÷2=
8.4÷84=
7.6÷0.4=
3.06÷0.6=
0.63+3.7=
3.5×0.4=
8.5÷1.7=
9.6÷0.96=
2.4÷5=
7÷3.5=
9.63-0.21=
28.14÷0.7=
0.4×40=
0.72÷0.12=

答案： 40
2.62
4.6
0.51
0.43
0.1
19
5.1
4.33
1.4
5
10
0.48
2
9.42
40.2
16
6

2 脱式计算。
0.2+0.875÷2.5
(40.3-2.8)÷7.5
10.8÷(4.62-1.92)
33.24÷0.75÷8
27.16÷0.8+4.5
27.52÷(3.9+4.7)
2.97÷11×0.75
(15.5+6.2)÷31
4.9÷0.7+23.3

答案： 0.2+0.875÷2.5
=0.2+0.35
=0.55
(40.3-2.8)÷7.5
=37.5÷7.5
=5
10.8÷(4.62-1.92)
=10.8÷2.7
=4
33.24÷0.75÷8
=33.24÷(0.75×8)
=33.24÷6
=5.54
27.16÷0.8+4.5
=33.95+4.5
=38.45
27.52÷(3.9+4.7)
=27.52÷8.6
=3.2
2.97÷11×0.75
=0.27×0.75
=0.2025
(15.5+6.2)÷31
=21.7÷31
=0.7
4.9÷0.7+23.3
=7+23.3
=30.3