内容正文:
四年级·北师版·下册
速1.68
13.70.9611.2
速
x=2.38x=99
x=3.2
算
31.4
0.540.636.6
算
x=9.56x=0.42x=46
3.158.521.3169.5
x=9
x=9
x=11
1.326.3
14.3563.18
x=3
x=40
x=20
0.32
0.3129.092.72
x=7
x=6
15.682.520.2340.96
x=16
x=23
x=25
0.6336.81.121.19
x=9
x=1.66x=7.7
24
4.1625.216.8
x=10.2x=2.4
x=9
1.61
27.60.921.078
x=8
x=12
x=15
3.924.481.92862.9
x=36
x=7
x=96
4.040.840.2240.44
x=77
x=90
x=8.1
16.112.38.481.86
x=30.1x=7.29x=9
3.0120.40.01421.4
x=13
x=6
x=10
0.12060.490.480.98
x=14
x=5
x=81
0.2140.913.60.85
x=7
x=3.5x=7.2
12.80.3280.13531.7
x=16.8x=11.54
46.81.861.0818.12
笔算小数的意义和加减法
0.1442.560.8129.6
速89.6
9.32
46.63
3.66
39.31.020.12
算
5.48
26.58
0.93
2.08
14.770.840.48
9.38
68.35
29.81
7.1
13.89
7.5
73.07
23.4
24.2
口算认识方程
62.01
43.62
47.68
速|x=25
x=30
x=16
算
x=27
x=6.2x=5.8
90.42
16.9
40.46
x=18.5x=13.6x=11
46.5
60.2
14.14
x=6
x=13
x=19
13.79
18.05
50.01
x=80
x=91
x=9
24.13
1.46
70.45
x=288
x=0.12x=21.6
19.66
10.57
4.22
·15·做对门道用时口
分钟
扫码批改秒核对错
口算认识方程
速算
x+4=29
x-7=23
x+7=23
x+1=28
x+1.4=7.6
4.7+x=10.5x-7.2=11.3
x-3.4=10.2
6元=66
12x=72
6x=78
9x=171
x÷5=16
x÷7=13
x÷9=1
x÷12=24
x÷0.3=0.4
x÷7.2=3
x÷3.4=0.7
x÷9=11
x+3.7=6.9
x+11=20.56
+0.3=0.72
x+13=59
2x-5=13
4x+21=57
6x-15=51
5x+2=17
x+61=101
9x-75=105
7x+46=95
6x÷4=9
四年级·北师版·下册
73
做对门道用时口
分钟
扫码批改秒核对错
x+12=28
x-7=16
x+9=34
x+71=80
x+1.14=2.8
x+3.2=10.9
x-7=3.2
x+9=11.4
7x=63
9x=72
3x=36
5x=75
x÷3=12
x÷1=7
x÷3=32
x÷7=11
x÷4.5=20
x÷0.3=27
÷4.3=7
x÷9=0.81
5x+3=48
2x-5=21
4x+23=47
6x-5=55
4x=56
3x-8=7
7x÷9=63
7x+3=52
x+4.2=7.7
x-4.3=2.9
x-9.1=7.7x+9=20.54
74
勤径小学升·同步口算