小学四年级口算心算考题
童趣翻译-高中英语教学工作总结
直接写出得数。
0.45×2.5= 0.8×1.25=
0.3×3.6= 0.3×0.3=
10×0.07=
0.3×1.4= 0.05×7= 0.92×0.4=
0.2×0.26= 0.14×4= 0.02×0.1=
1.2×0.3=
0.2×0.4= 8.2+1.8=
100-35.22= 2.3×4=
2.5×0.4= 2.4×5=
0.22×4= 3.25×0=
0.9-0.52=
3.99×1= 0×3.52= 12.5×8=
8÷10 =
10-1.8-7.2= 0.43+3.57= 2.5×4×12=
0.9×0.8= 7.5x-3x = a+3a+7a==
1.05×100= 1÷0.5=
0.96÷3=
1.47÷0.7= 5.4÷6=
0.16.5×10=
0.56×100= 3.78×100= 4÷0.8 =
3.215×100= 0.8×10= 4.08×100=
1.1×0.2 =
0.6×0.8 = 3×0.9=
2.5×0.4= 3.6×0.4=
12.5×8=
50×0.04= 80×0.3 = 1.1×9=
0.16×5 = 1.78+2.2 = 9.6÷0.6 =
1.2×0.5-0.4 = 0.7÷0.01
= 2.5×0.4 =
12-3.9= 1.25×8÷1.25 = 6.6÷0.66 =
5.37×0+4.63 = 3.9+2.03= 4.2÷3.5=
1.6+2.4×0.3 = 2.14-0.9= 27+456+73=
0.3×0.3=
7.2+2.8= 0.9÷0.01= 12÷0.3=
2.87÷0.7=
13÷4= 0.96÷0.3= 1.5×0.4=
7÷0.25= 2.5×0.7×0.8=
8-2.5= 16÷1.6=
5.6×1.01= 8×(2.5+0.25)= 0.36+0.64
=
64.32÷16= 4.2÷0.1=
72.8÷0.8= 8.4÷4.2=
13.8+9.9= 2.4×2.5=
0.05×0.8= 2.56-0.37=
1.25×0.8×0.5= 12×2.5= 1.23×3=
3.2÷1.6=
3.5+3.5×3= 19.6÷2= 8.8÷2.2= 0.75×4=
(1.5+0.25)×4= 0.5×0.8=
8.4×0.2=
1.6×0.2= 7.2×0.3= 2.8×0.3= 0.9÷0.15=
1.8×0.4= 5.5÷0.55= 0.08×100=
2.2÷0.11= 5.46+4.54= 12.5×0.8=
0.35×0.3=
1.4×5= 2.8×4=
19.6÷4= 22.5×4=
2、用竖式计算
0.396÷1.2= 0.756÷0.36=
15.6×13=
0.18×15=
0.025×14=
3.06×36=
0.04×0.12= 3.84×2.6≈
5.76×3=
(保留一位小数)
7.15×22 90.75÷3.3
3.68×0.25
16.9÷0.13 1.55÷3.9
3.7×0.016
13.76×0.8=
5.2×0.6 8.4×1.3
6.4×0.5
4.48×0.4 5.25×5
35.4×4.2
0.042×0.54 0.76×0.32
0.25×0.046 2.52×3.4
1.08×25
0.12×0.5×0.16=
4.8×0.25= 0.125×1.4≈
(保留两位小数)
2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用循环小数)
10.75÷12.5= (用乘法验算) 3.25×9.04=
(用除法验算)
3、脱式计算(能简算的要简算)
2.5×7.1×4
16.12×99+16.12 5.2×0.9+0.9
7.28×99+7.28 4.3×50×0.2 64-2.64×0.5
26×15.7+15.7×24 (2.275 +0.625)×0.28
3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8
8.9×1.1×4.7 2.7×5.4×3.9
3.6×9.85-5.46
8.05×3.4+7.6
6.58×4.5×0.9 2.8×0.5+1.58
32+4.9-0.9 4.8-4.8×0.5
(1.25-0.125)×8
4.8×100.1
56.5×99+56.5 7.09×10.8-0.8×7.09
4.85
+ 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4
12.5×0.4×2.5×8 0.87×3.16+4.64
9.5×101
0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4)
2.13.×0.×8257
6.81+6.81×99
0.25×185×40 4.4×0.8-3.4×0.8
(9.37+9.37+9.37+9.37)× 2.5
4.2.×1.+1.×1.75
2.37×6.3+2.37×3.7
2.5×1.25×0.32 3.8×10.1
2.5×(3.8×0.04)
7.69×101 3.8×10.1
0.25×39+0.25
0.125×72 46×0.33+54×0.33
(8×5.27)
×1.25 6.81+6.81×99 0.25×185×40
6.8×0.75÷0.5 3.75÷0.125–2.75
1.53+23.4÷7.2
9.5×99
二、
54-X=24
13+A=28.5
5×1.3-2x=5.5 24x+6x=63.6
5.6x+4.4x=5.2
13.5×0.98
解方
7X=49
2.4X=26.4
12.5×8.8
程:
126÷X=42
7.5x-3x=18