三年级数学简便运算Word文件下载.docx
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三年级数学简便运算Word文件下载.docx
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125
(11)125×
(8+40)×
(12)99+49×
99
(13)264×
97+4×
264
(14)454+999×
999+545
(15)9999×
36+6666×
3×
32
(16)124×
38+65×
124+76×
110-76×
7
(17)62×
4+44×
5+5×
18
(18)3400-62×
34-38×
20-38×
14
(19)1992×
19911991-1991×
19901990
(20(2+4+6+……+100)-(1+3+5+……+99)
小数简便运算练习
4.8+8.63+5.2+0.37
5.93+0.19+2.81
1.76+0.195+3.24
2.35+1.713+0.287+7.65
1.57+0.245+7.43
6.02+3.6+1.98
0.134+2.66+0.866
1.27+3.9+0.73+16.1
7.5+4.9-6.5
3.07-0.38-1.62
1.29+3.7+2.71+6.3
8-2.45-1.55
3.25+1.79-0.59+1.75
23.4-0.8-13.4-7.2
0.32×
403
3.2+0.36+4.8+1.64
1.23+3.4-0.23+6.6
0.25×
36
12.7-(3.7+0.84)
36.54-1.76-4.54
0.73×
4
7.6×
0.8+0.2×
7.6
0.85×
199
8.5×
4
1.28×
8.6+0.72×
8.6
12.5×
0.96×
0.8
10.4-9.6×
0.35
0.8×
(4.3×
1.25)
3.12+3.12×
99
28.6×
101-28.6
(4.23+6.17)×
0.86×
15.7-0.86×
14.7
2.4×
102
14-7.32-2.68
2.64+8.67+7.36+11.33
2.31×
1.2×
0.5
(2.5-0.25)×
0.4
9.16×
1.5-0.5×
9.16
3.6-3.6×
4.5÷
1.8
4.2÷
3.5
930÷
0.6÷
5
63.4÷
2.5÷
4.9÷
1.4
3.9÷
(1.3×
5)
(7.7+1.54)÷
0.7
2.5×
2.4
2.7÷
45
0.35×
1.25×
2×
32.4×
0.9+0.1×
32.4
15÷
0.25
70÷
28
15÷
(0.15×
0.4)
4.25÷
9.9+0.17
人教版六年级数学简算.计算题
4/9×
3=5÷
1/3=1/2÷
1/3=
21/25÷
42=4/5×
3/4=8.7×
0.2=
4×
0.25=1/7×
14=2/3÷
5/6=
8=3/5÷
5/8=6/7×
3/2=
6×
8.8=4/11÷
4=4/9×
3/8=
5/3÷
5=0÷
8/3=4/7-2/3=
2/7×
2=41/12×
4=4÷
3/16=
12÷
9/4=75/8÷
5=12×
16/9=
2/3×
3=8÷
9/4=5/3÷
3/5=
4/5×
5/8=7/9×
9/7=2.64+3.6=
50=3500÷
70=2050-298=
2+7÷
9=0.3÷
3%=286+198=
314-202=526+301=223-99=
1/2×
3/5=1.89÷
100=0.82+0.08=
73×
1=0.63×
10=4÷
10=
17÷
1000=0.56+0.4=1.25×
100=
5.6+99=43×
63/21=100÷
25=
1-0.93=90-0.9=18.3×
1/3=
794-198=68×
25=43.3-63/21=
72×
125=3001-1998=23/5×
5/6=
20/3×
12=1/2-1/6=30.25×
4/5=
5/6-1/2=1/2×
1/5=
4.25×
4/25×
57.26-(5.26-1.5)
106.25+3.85-2.125+3.875
11.9-2456×
21
5/11-4×
2.75
13.375+5.75+2.25+6.625
(15.1-9036)÷
18
163.8×
5.25+14.5
172.1×
4.3+5.7×
2.1
19.102×
45-328
2.8×
3.1+16/8
23÷
(50-12.5)÷
2.5
24×
2/5×
1/3
25.6÷
110×
47+639
3.5×
2.7-52.2/18
28-1/7×
1/5
3.375×
0.97+0.97×
6.625
6.54+2.4+3.46+0.6
95.6×
1.8+95.6×
8.2
35.6-420/12×
344/3.6-5.4×
16/2+30/2+90/6
5000-105×
34
0.15/0.25+0.75×
1.2
41×
(1/2+1/3+1/4)×
0.24
42×
(25+4)×
63/21-84
0.81/0.25+5.96×
403÷
13×
27
46.1.5×
4.2-0.75÷
3.27×
4+3.27×
5.7
(1.2+1.8)×
4.51025-768÷
32
80-0.45÷
0.9
50.1025-768÷
81.2-11÷
7-×
3=
6696÷
62-6.5×
10.6=
3/9÷
2/7=
6756-193-207=
97×
360+3×
360=
1/3=2/7×
2/7=21/25÷
0.2=4×
5/6=1.25×
3/2=6×
3/8=5/3÷
8/3=4/7-2/3=2/7×
2=41/12×
3/16=12÷
9/4=75/8÷
16/9=2/3×
3/5=4/5×
5/8=7/9×
9/7=2.64+3.6=2.4×
70=2050-298=2+7÷
3%=81.2-11÷
3=6696÷
1.89÷
100=0.82+0.08=73×
10=17÷
1000=
0.56+0.4=1.25×
100=5.6+99=
100÷
25=1-0.93=90-0.9=
25=6756-193-207=
125=97×
一、简算。
★1.1035-998★2.5076+99
★3.3008+449★4.428×
25×
★★5.328-189-28★★6.43.2-(3.2-1.28)
★★17.25×
5×
8
★★18.84×
0.25+16÷
二、改错,下面各题错在哪里,请改正。
★★2.5731-(731-525)=5731-731-525
=5000-525=4475
答案仅供参考:
二、略
(1)888+999
(2)58-92+42-8
(3)(88*125+125*12)*8
(4)816-2304/72+8*3
(5)3306*51/7
(6)659-348/2
(7)13-(2.65+3/7)
(8)12*28/7
(9)(7/10)/3+(3/10)/(1/3)
(10)0.007+0.993X4X5X1.8
(11)(522+643*521)/(522*643-121)
(12)341*99+314*1
(13)0.56+0.4
1.
33333*6*11111+22222
=(199998+2)*11111
=200000*11111
=2222200000
2.
1/2+1/6+1/12+1/20+1/30+1/42+1/56
=1-1/2+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8
=7/8
3.
999*888+888*777+777*666+666*555
=111*111*(9*8+8*7+7*6+6*5)
=111*111*(16*8+12*6)
=111*111*200
=12321*200
=2464200
THANKS!
!
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