小学五年级上数学计算题巧算与速算.docx
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小学五年级上数学计算题巧算与速算
一、五年级简便计算题
12.3×4×0.25
12.96-(9.6-1.52)
85×10.1
1.2÷0.25+1.3×4
103×0.25
(4.8+6.4)÷8
35÷125
40.5÷0.81×1.05
34.5×0.03+34.5×0.97
(203.4+72.2)÷(1.3×0.2)
8×4.3×12.5
97.5÷0.39-136.7
2.5×102
86.4÷0.24×0.25
4.2÷28
11.16÷(10-0.7)
(9.6+3.2)÷0.8
(300-94.8)÷0.5
0.125×16
12.6÷[3.5-(9.8-8.7)]
3.2×5.6-11.4
0.648÷[(0.4+0.5)×0.6]
5.74×99+5.74
8.9×1.1×4.7
4.75+3.25×2.4+7.6
2.7×5.4×3.9
3.8×1.4+18.2÷0.7
3.6×9.85-5.46
4.8×0.25
8.05×3.4+7.6
4.7×10.2
6.58×4.5×0.9
7.63×99+7.63
2.8×0.5+1.58
6.73+2.56+1.44+3.27
8×5.2+3.8×3.8+3.8
2.37×2.5×4
(6.7+6.7+6.7+6.7)×2.5
1.5×102
9.8×25×4
2400÷16÷0.5
32×0.25×0.125
2.8×3.2+3.2×7.2
7.4-0.15×2.8
3.76×0.25-0.49
0.008+0.92×5-1.28
0.25×4.78×4
7.8÷(1.3×4)
0.65×201
7.2×0.9+0.01×7.2
1.2×2.5+0.8×2.5
8.6×10.1
2.5×7.1×4
5.6×(12.5-8.5÷0.85)
16.12×99+16.12
[(8.1-5.6)×0.9-1]×0.4
5.2×0.9+0.9
8.25×4.08+0.75×4.08+4.08
4.3×50×0.2
4.32+5.43+6.68
64-2.64×0.5
15.17-6.8-3.2
26×15.7+15.7×24
12.75-(2.75+6.8)
(2.275+0.625)×0.28
1.27+3.9+0.73+16.1
3.94+34.3×0.2
12.8-4.9-5.1
1.2×(9.6÷2.4)÷4.8
6.75-(0.9+3.75)
8.9×1.1×4.7
1.34+1.8+3.66+0.2
2.7×5.4×3.9
0.96-0.28+0.04-0.72
3.6×9.85-5.46
12.78-(4.97+2.78)
8.05×3.4+7.6
31.7-0.5×0.7-1.65
6.58×4.5×0.9
35.72-4.9-(5.72+5.1)
2.8×0.5+1.58
111-3.67×2.8-3.67×7.2
32+4.9-0.9
12.5×6.3+27×1.25+0.125÷0.01
4.8-4.8×0.5
3.1+25.78+6.9
(1.25-0.125)×8
15.25+4.72+4.75+5.28
4.8×100.1
34.82-(4.82+15.2)
56.5×99+56.5
7.28+0.94+2.72+0.06
7.09×10.8-0.8×7.09
7.84+0.73—0.84
4.85+0.35÷1.4
6.3×99+6.3
8.7×17.4-8.7×7.4
15.7—4.3—5.7
12.5×0.4×2.5×8
1.6+0.4—1.6+0.4
0.87×3.16+4.64
62.8÷2.5÷0.4
9.5×101
7.3×99
0.68÷(5.2-3.5)×1.25
(1.25+2.5)×8
40.5÷0.81×0.18
9.42×10—94.2×0.9
4.8×(15÷2.4)
1.8×2.48+1.52×1.8-0.5
2.13.×0.×8257
8.76+0.4×3.6×2.5+1.24
6.81+6.81×99
6.5×(10-3.7)+2.98
0.25×185×40
[4.75+8.4÷(9.2-6.8)]×40
4.4×0.8-3.4×0.8
19.8-0.6×0.6-0.64
(9.37+9.37+9.37+9.37)×2.5
0.125×7.9×16
4.2.×1.+1.×1.75
2.48×(7.3-5.8)+1.5×7.52
2.37×6.3+2.37×3.7
12.773-[4.5×(0.75-0.356)+9.23]
2.5×1.25×0.32
(6.4+0.88)÷0.8+3.2×1.25
3.8×10.1
24-[5.4+(0.63+1.29÷0.23)]
2.5×(3.8×0.04)
2.18+4.65+7.82+5.35+12.5
7.69×101
15.84-2.17-3.83
3.8×10.1
(25+2.5+0.25)×4
0.25×39+0.25
(35.2×45.6+45.6×63.8+45.6
0.125×72
12.25-3.1+0.85-6.17
46×0.33+54×0.33
((1.9-1.9×0.9)÷(3.8-2.8)
二、用竖式计算
1.8+0.02=
5.76×3=
2.08×7.5=
0.43×0.28=
0.72÷0.9=
90.75÷3.3
1.05×2.4=
4.6×0.6=
0.2÷0.01=
16.9÷0.13
1.89÷0.54=
3.08×0.43=
0.25×40=
3.7×0.016
5.61÷6.1=
5.22÷29=
1.25×0.8=
5.2×0.6
6.21÷0.3=
13.95÷3.1=
5.5×66=
6.4×0.5
1.3÷0.9
5.93×0.76
7.8×0.35=
5.25×5
21.84÷0.7
3—2.08
8.4×0.25=
0.042×0.54
28.14÷6.7
3.54×13
4.1-1.298
0.25×0.046
0.396÷1.2=
20-5.674
6.84×7.45
1.08×25
15.6×13=
5.4÷0.036
36.72÷2.4
0.125×1.4≈
0.025×14=
5.778÷5.4=
110.7÷0.54
10.1÷3.3=
0.04×0.12=
1.5×0.25=
1.204÷0.43=
3.25×9.04=
6÷1.2=
9.2÷2.3=
3.5×0.2=
7.15×22
18.9÷0.54=
6.45×0.73=
4.8+2=
1.55÷3.9
0.35×8.6=
1.5×26.7=
3.5×24=
8.4×1.3
54÷0.36=
7.218÷36
4.25×24=
35.4×4.2
0.462÷1.4
5.24÷7.2
5.24÷7.2
2.52×3.4
0.756÷0.36=
5.84÷0.16
87.11÷3.1
2.5÷0.7=
3.06×36=
8.02×3.5=
1-0.01=
3.68×0.25
1.44÷1.8=
8.9×0.05=
7.6×1.05=
4.48×0.4
5.86÷0.24
16.32÷51
5.56÷0.83
4.8×0.25=
0.18×15=
8÷11
6.5-5.6=
13.76×0.8=
9.58÷0.23=
18.72÷3.6=
2.84×0.05=
10.75÷12.5=
3.84×2.6≈
28.56÷5.1=
0.42×0.308
0.76×0.32
4.32÷3.6
2.7+3.13
三、速算与巧算
(1)5.8+2.32+0.68+4.2
(2)1999+199.9+19.99+1.999
(3)12.59-3.24-5.76(4)8.1+7.8+8.2+8.4+7.9+7.7
(5)18×5.5(6)8.88×1.25
(7)34.7×0.25(8)238÷1.25
(9)0.25×12.5×3.2(10)124.68+324.68+524.68+724.68+924.68
(11)5795.5795÷5.7957×579.5(12)1990×198.9-1989×198.8
(13)2.25×0.16+264×0.0225+5.2×2.25+0.225×20
(14)(1+0.28+0.84)×(0.28+0.84+0.66)-(1+0.28+0.84+0.66)×(0.28+0.84)
(15)4.82×0.59+0.41×1.59-0.323×5.9(16)0.125×0.25×32
(17)16×4.5(18)0.25×1.25×22.4
(19)0.9+0.99+0.999+0.9999+0.99999(20)(72×357+357×28)÷(51×7×4)
(21)98989898×99999999÷1010101÷11111111(22)4.8×(11.03-15.6÷7.5)
(23)(67.8+9.48)÷0.96-2.58×30.05(24)[1.7+1.7×(5.8-2.8)]+(1.75÷1.4)
(25)3.04×8.7-3.04×2.9+5.8×6.96(26)(0.1+0.2+0.3+0.4+…+1)÷5.5
(27)3.14×6.5+4.5×3.14-3.14(30)1-2+3-4+5-6+…-98+99-100+100
(28)1240×3.8+124×51+1.24×1400+760×9.6+0.76×700
(29)1÷(2÷3)÷(3÷4)÷(4÷5)÷…÷(1999÷2000)