口算
3. 5×3= 0.72×5 0.7×4= 2.5×6= 2.05×4= 12.4×7= 1.2×0.8= 0.8×0.9= 计算
6.7×0.3= 2.4
2.3×12= 56
2.6×1.08= 0.86
12.5×42= 32
1.8×23= 0.37
7×0.86= 0.6
2.4×1.5= 1.2
0.049×45= 1.7
0.37×8.4= 0.86
1.9×24= 16
综合算式
72×0.81＋10.4 7.06
0.25×4.78×4 0.65
0.034×0.5×0.6 102
4.8×0.25 2.33
1.5×105 1.2
50.4×1.9－1.8 3.76×6.2= 0.56×0.04= ×1.3= 3.2×2.5= ×7= 3.5×16= ×1.5= 70.5×6.4= ×0.4= 1.06×25= ×0.39= 27×0.43= ×0.35= 4.25×1.1= ×0.45= 1.2×1.4= ×1.2= 2.34×0.15= ×54.5= 6.5×3.9= ×2.4－5.7 ×201 ×0.45 ×0.5×4 ×2.5＋0.8×2.5 ×0.25＋25.8
口算
5.6÷7= 4.08÷8= 0.54÷6= 14.21÷7= 42÷3= 4.2÷3= 91÷14= 41.2÷4= 计算
22.4÷4= 25.2
1.8÷12= 7.83
72÷15= 22.4
1.26÷18= 43.5
1.35÷15= 28.6
3.64÷52= 15.6
1.35÷27= 7.65
62.4÷2.6= 0.544
11.7÷2.6= 5.98
10.8÷4.5= 21
6.21÷0.03= 1.8
455÷6.5= 27.3
2.5÷0.4= 1.89
0.51÷0.22= 27.5
求近似值
48÷2.3 1.55
246.4÷13 5.63÷6= 34.5÷15= ÷9= 6.3÷14= ÷4= 24÷15= ÷29= 18.9÷27= ÷11= 20.4÷24= ÷12= 328÷16= ÷0.85= 12.6÷0.28= ÷0.16= 1.44÷1.8= ÷0.23= 19.76÷5.2= ÷1.4= 8.84÷1.7= ÷0.24= 13.5÷0.3= ÷1.3= 220.5÷21= ÷0.54= 7.1÷2.5= ÷2.5= 26.46÷0.49= ÷3.8 7.09÷0.52 3.81÷7 ÷6.1 400÷75 28÷18
78.6÷11 19.4÷12 40÷14 26.37÷31 45.5÷38 15÷16 1.5÷7 6.509÷0.27
9.4÷6 38.2÷2.7 12.4÷11 3.7÷2.2 25÷1.5 1.3÷0.03 7÷11 0.68÷0.95 综合算式
0.75×18÷0.15 2.07÷0.23÷0.45
21.36÷0.8－12.9 7.28＋3.2÷2.5
1.08×0.8÷0.27 2.05÷0.82＋33.6
44.28÷0.9÷4.1 9.07－22.78÷3.4
第四单元：简易方程
解方程
х＋3.2=4.6 х－1.8=4 х－2=15
1.6х=6.4 х÷7=0.3 х÷3=2.1
х＋0.62=14.14 30х=1800 х＋32=76
12－х=4 3÷х=1.5 х＋0.3=1.8 3＋х=5.4 х－1.5=4 х－6=7.6 5х=1.5 0.2х=6 х÷1.1=3 х÷5=15 2х－20=4 3х＋6=18 2х－7.5=8.5 16＋8х=40 4х－3×9=29 2х＋2.8×2=10.4 х＋2.4х=5.1 2(х－2.6)=8
5(х＋1.5)=17.5 8(х－6.2)=41.6 (х－3) ÷2=7.5 13.2х＋9х=33.3 8х－3х=105 5.4х＋х=12.8 х－0.36х=16 х＋4.8=7.2 х－6.5=3.2
х÷8=0.4 6х＋18=48 3(х＋2.1)=10.5 12х－9х=8.7 3.8＋х=6.3 х－7.9=2.6
2.5х=14
2х－97=34.2 42
第八单元：总复习
解方程
5х＋7=42
2(х－3)=5.8
6х－0.9=4.5
计算题
32.5÷2.5= 1.36
2.08×75= 49
1.83＋2.7= 2.73
8.3－2.63= 42.3
综合算式
5.5×17.3＋6.7×5.5 3.8х÷3=1.2 3.4х－48=26.8 х＋25х=134 13(х＋5)=169 х÷4.2=2 3.6х－х=3.25 х÷1.44=0.4 3.85＋1.5х=6.1 ×0.05= 0.06×1.7= ÷1.4= 2.3÷0.46= ×1.5= 28.5÷15= ×0.78= 39.05÷7.1= ＋4.29＋2.1＋4.2
口算
3. 5×3= 0.72×5 0.7×4= 2.5×6= 2.05×4= 12.4×7= 1.2×0.8= 0.8×0.9= 计算
6.7×0.3= 2.4
2.3×12= 56
2.6×1.08= 0.86
12.5×42= 32
1.8×23= 0.37
7×0.86= 0.6
2.4×1.5= 1.2
0.049×45= 1.7
0.37×8.4= 0.86
1.9×24= 16
综合算式
72×0.81＋10.4 7.06
0.25×4.78×4 0.65
0.034×0.5×0.6 102
4.8×0.25 2.33
1.5×105 1.2
50.4×1.9－1.8 3.76×6.2= 0.56×0.04= ×1.3= 3.2×2.5= ×7= 3.5×16= ×1.5= 70.5×6.4= ×0.4= 1.06×25= ×0.39= 27×0.43= ×0.35= 4.25×1.1= ×0.45= 1.2×1.4= ×1.2= 2.34×0.15= ×54.5= 6.5×3.9= ×2.4－5.7 ×201 ×0.45 ×0.5×4 ×2.5＋0.8×2.5 ×0.25＋25.8
口算
5.6÷7= 4.08÷8= 0.54÷6= 14.21÷7= 42÷3= 4.2÷3= 91÷14= 41.2÷4= 计算
22.4÷4= 25.2
1.8÷12= 7.83
72÷15= 22.4
1.26÷18= 43.5
1.35÷15= 28.6
3.64÷52= 15.6
1.35÷27= 7.65
62.4÷2.6= 0.544
11.7÷2.6= 5.98
10.8÷4.5= 21
6.21÷0.03= 1.8
455÷6.5= 27.3
2.5÷0.4= 1.89
0.51÷0.22= 27.5
求近似值
48÷2.3 1.55
246.4÷13 5.63÷6= 34.5÷15= ÷9= 6.3÷14= ÷4= 24÷15= ÷29= 18.9÷27= ÷11= 20.4÷24= ÷12= 328÷16= ÷0.85= 12.6÷0.28= ÷0.16= 1.44÷1.8= ÷0.23= 19.76÷5.2= ÷1.4= 8.84÷1.7= ÷0.24= 13.5÷0.3= ÷1.3= 220.5÷21= ÷0.54= 7.1÷2.5= ÷2.5= 26.46÷0.49= ÷3.8 7.09÷0.52 3.81÷7 ÷6.1 400÷75 28÷18
78.6÷11 19.4÷12 40÷14 26.37÷31 45.5÷38 15÷16 1.5÷7 6.509÷0.27
9.4÷6 38.2÷2.7 12.4÷11 3.7÷2.2 25÷1.5 1.3÷0.03 7÷11 0.68÷0.95 综合算式
0.75×18÷0.15 2.07÷0.23÷0.45
21.36÷0.8－12.9 7.28＋3.2÷2.5
1.08×0.8÷0.27 2.05÷0.82＋33.6
44.28÷0.9÷4.1 9.07－22.78÷3.4
第四单元：简易方程
解方程
х＋3.2=4.6 х－1.8=4 х－2=15
1.6х=6.4 х÷7=0.3 х÷3=2.1
х＋0.62=14.14 30х=1800 х＋32=76
12－х=4 3÷х=1.5 х＋0.3=1.8 3＋х=5.4 х－1.5=4 х－6=7.6 5х=1.5 0.2х=6 х÷1.1=3 х÷5=15 2х－20=4 3х＋6=18 2х－7.5=8.5 16＋8х=40 4х－3×9=29 2х＋2.8×2=10.4 х＋2.4х=5.1 2(х－2.6)=8
5(х＋1.5)=17.5 8(х－6.2)=41.6 (х－3) ÷2=7.5 13.2х＋9х=33.3 8х－3х=105 5.4х＋х=12.8 х－0.36х=16 х＋4.8=7.2 х－6.5=3.2
х÷8=0.4 6х＋18=48 3(х＋2.1)=10.5 12х－9х=8.7 3.8＋х=6.3 х－7.9=2.6
2.5х=14
2х－97=34.2 42
第八单元：总复习
解方程
5х＋7=42
2(х－3)=5.8
6х－0.9=4.5
计算题
32.5÷2.5= 1.36
2.08×75= 49
1.83＋2.7= 2.73
8.3－2.63= 42.3
综合算式
5.5×17.3＋6.7×5.5 3.8х÷3=1.2 3.4х－48=26.8 х＋25х=134 13(х＋5)=169 х÷4.2=2 3.6х－х=3.25 х÷1.44=0.4 3.85＋1.5х=6.1 ×0.05= 0.06×1.7= ÷1.4= 2.3÷0.46= ×1.5= 28.5÷15= ×0.78= 39.05÷7.1= ＋4.29＋2.1＋4.2