小学五年级数学上册简算题全.docx
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小学五年级数学上册简算题全
、能用简便的要简便计算
12.3X4X0.25
85X10.1
1.2^0.25+1.3X4
103X0.25
(4.8+6.4)+8
35-125
40.5P.81X1.05
34.5X0.03+34.5X0.97
203.4+72.2)-(1.3X0.2)
2.5X102
86.4^0.24X0.25
4.2^28
11.16+(10—0.7)
(9.6+3.2)+0.8
(300—94.8)+0.5
0.125X16
12.6+[3.5—(9.8—8.7)]
5.74X99+5.74
8.9X1.1X4.7
4.75+3.25X2.4+7.6
2.7X5.4X3.9
3.8X1.4+18.2^0.7
3.6X9.85-5.46
4.8X0.25
8.05X3.4+7.6
2.8X0.5+1.58
7.63X99+7.63
6.73+2.56+1.44+3.27
8X5.2+3.8X3.8+3.8
2.37X2.5X4
(6.7+6.7+6.7+6.7)X2.5
1.5X102
9.8X25X4
7.4-0.15X2.8
2.8X3.2+3.2X7.2
3.76X0.25—0.49
0.008+0.92X5-1.28
0.25X4.78X4
7.8+(1.3X4)
0.65X201
7.2X0.9+0.01X7.2
2.5X7.1X4
5.6X(12.5-8.5-K).85)
16.12X99+16.12
[(8.1-5.6)X0.9-1]X0.4
5.2X0.9+0.9
8.25X4.08+0.75X4.08+4.08
4.3X50X0.2
4.32+5.43+6.68
26X15.7+15.7X24
12.75-(2.75+6.8)
(2.275+0.625)X0.28
1.27+3.9+0.73+16.1
12.8-4.9-5.1
3.94+34.3X0.2
1.2X9.6P.4)勺.8
6.75-(0.9+3.75)
2.7X5.4X3.9
0.96-0.28+0.04-0.72
3.6X9.85-5.46
12.78-(4.97+2.78)
8.05X3.4+7.6
31.7-0.5X0.7-1.65
6.58X4.5X0.9
35.72-4.9-(5.72+5.1)
32+4.9-0.9
12.5X5.3+27X1.25+0.125P.01
4.8—4.8X0.5
3.1+25.78+6.9
(1.25—0.125)X8
4.8X100.1
15.25+4.72+4.75+5.28
34.82—(4.82+15.2)
7.09X10.8-0.8X7.09
7.84+0.73—0.84
6.3X99+6.3
4.85+0.35T4
8.7X17.4-8.7X7.4
15.7—4.3—5.7
12.5X0.4X2.5X8
1.6+0.4—1.6+0.4
7.3X99
9.5X101
0.68-(5.2-3.5)X1.25
(1.25+2.5)X8
40.5-0.81X0.18
9.42X10—94.2X0.9
4.8X(15-2.4)
1.8X2.48+1.52X1.8-0.5
6.81+6.81X99
6.5X(10-3.7)+2.98
0.25X185X40
[4.75+8.4琨9.2-6.8)]X40
4.4X0.8-3.4X0.8
19.8-0.6X0.6-0.64
(9.37+9.37+9.37+9.37)X2.50.125X7.9X16
2.37X6.3+2.37X3.7
12.773-[4.5X(0.75-0.356)+9.23]
4.2.X1.+1.X1.75
2.48X(7.3-5.8)+1.5X7.52
2.5X1.25X0.32
(6.4+0.88)P.8+3.2X1.25
3.8X10.1
24-:
5.4+(0.63+1.29P.23)]
2.5X(3.8X0.04)
2.18+4.65+7.82+5.35+12.5
3.8X10.1
(25+2.5+0.25)X4
0.25X39+0.25
(35.2X45.6+45.6X63.8+45.6
0.125X72
12.25-3.1+0.85-6.17
46X0.33+54X0.33
((1.9-1.9X0.9)-(3.8-2.8)
1.8+0.02=
5.76X3=
2.08X7.5=
0.72+0.9=
90.75+3.3
1.05X2.4=
0.2+0.01=
16.9+0.13
1.89+0.54=
0.25X40=
3.7X0.016
5.61+6.1=
0.43X0.28=
4.6X0.6=
3.08X0.43=
5.22+29=
1.25X0.8=
5.2X0.6
6.21P.3=
13.95-3.1
5.5X66=
6.4X0.5
1.3P9
5.93X0.76
7.8X0.35=
5.25X5
21.84-K).7
3—2.08
8.4X0.25=
0.042X0.54
28.14-M3.7
3.54X13
4.1-1.298
0.25X0.046
0.396-1.2=
20-5.674
6.84X7.45
1.08X25
15.6X13=
5.4-0.036
36.72-2.4
0.125X1.4〜
0.025X14=
5.778-5.4=
110.7-0.54
10.1-3.3=
0.04X0.12=
1.5X0.25=
1.204P43=
3.25X9.04=
6+1.2=
9.2+2.3=
3.5X0.2=
7.15X22
18.9+0.54=
6.45X0.73=
4.8+2=
1.55+3.9
0.35X8.6=
1.5X26.7=
3.5X24=
8.4X1.3
54+0.36=
7.218+36
4.25X24=
35.4X4.2
0.462-1.4
5.24-7.2
5.24-7.2
2.52X3.4
0.756-0.36=
5.84-0.16
87.11-3.1
2.5-0.7=
3.06X36=
8.02X3.5=
1-0.01=
3.68X0.25
1.44-1.8=
8.9X0.05=
7.6X1.05=
4.48X0.4
5.86-0.24
16.32-51
5.56-0.83
4.8X0.25=
0.18X15=
8-11
6.5-5.6=
13.76X0.8=
9.58P.23=
18.72-3.6=
2.84X0.05=
10.75-12.5=
3.84X2.6〜
28.56-5.1=
0.42X0.308
0.76X0.32
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)18X5.5
(6)8.88X1.25
(7)34.7X125
(8)238-1.25
(9)0.25X12.5X3.2
(10)124.68+324.68+524.68+724.68+924.68
(11)5795.5795芳.7957X579.5
(12)1990X198.9-1989X198.8
(13)2.25X).16+264X0.0225+5.2X2.25+0.225X20
X(0.28+0.84)
(14)(1+0.28+0.84)X(0.28+0.84+0.66)-(1+0.28+0.84+0.66)
(15)4.82X).59+0.41X1.59-0.323X5.9
(16)0.125X).25X32
(17)16X4.5
(18)0.25X1.25X22.4
(19)0.9+0.99+0.999+0.9999+0.99999
(20)(72X357+357X28)%51X7X4)
(21)98989898X99999999-1010101-11111111
(22)4.8X11.03-15.6-7.5)
(23)(67.8+9.48)-0.96-2.58X30.05
(24)[1.7+1.7x(5.8-2.8)]+(1.75+1.4)
(25)3.04X8.7-3.04X2.9+5.8X6.96
(26)(0.1+0.2+0.3+0.4+…+1)芳.5
(27)3.14^6.5+4.5X3.14-3.14
(28)1240X3.8+124X51+1.24X1400+760X9.6+0.76X700
(29)1勺2完)勺3勺)勺4弋)•勺1999P000)
(30)1-2+3-4+5-6+…-98+99-100+100