:(*是乘号,/是分号) 共180道,有点乱:
7\2*6=7/12 5\2*6=5/12 3\5*2=3/10 5\7*2=5/14 5\6*1=5/6
7\9*2=7/18 5\4*2=5/8 2\45*0=0 5\6-5\4=5\2 2\1+2\1=1
4\5-4\5=0 3\2-3\1=3\1 5+4\1=5 4\1 5\1+5\1=5\2 7/7+7/7=2
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9
5/3*105=63 19/7*38=14 5/1*25=5 6/1*48=8 7/2*28=8 8/19*16=38
8/19*16=38 61/60*122=120 7/2*28=8 8/19*16=38 1/1*2=2
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18 2/7*2=2/14
5\4/2=5\2 5\6/2=5\3 3\2/1=3\2 5*5\1=1 5\9/3=5\3
7/1*8=56 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 5/1*25=5
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 2\1*2=1
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
17×40=680, 100-63=37, 3.2+1.68=4.88, 2.8×0.4= 1.12
14-7.4=6.6, 1.92÷0.04=48, 0.32×500=160, 0.65+4.35= 5
10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44
0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2
1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4= 0.64
4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6
5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15
2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18
19/9*76=36 4/9*8=18 5/8*90=144
99/98*99=98 3/14*6=28
7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14
5/1*25=5 8/19*16=38 61/60*122=120
7/2*28=8
6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45
8/9*16=18
12÷3/5=12×( 5/3) 9÷6/7=9×( 7/6 )
30÷5/6=30×(6/5 )
4×(3/2 )=4÷2/3 ( 4 )÷5/7=4×7/5 3÷4/5=3×5/4
6÷3/4=8 10÷2/5=25
18÷4/9=81/2 4×4/5=16/5
6×3/4=18/4 10×2/5=4 18×4/9=8
3÷3/4=4 2÷1/3=6 6÷4/5=15/2
1÷5/7=7/5 3/4÷3=1/4
1/3÷2=1/6 4/5÷6=2/15
5/7÷1=5/7
2/1*2=1 3/1*3=1
3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12
7/3*14=6 8/7*40=35
4/3*16=12
9/5*27=15 2/1*30=15
12/7*24=14
30/1*30=1
51/9*102=18 19/9*76=36
4/9*8=18
5/8*90=144 99/98*99=98
3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63
19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120
7/2*28=8 6/1*48=8
9/7*18=14
25/7*100=28
9/5*81=45
8/9*16=18
17×40=680,
100-63=37, 3.2+1.68=4.88,
2.8×0.4= 1.12
14-7.4=6.6,
1.92÷0.04=48,
0.32×500=160,
0.65+4.35= 5
10-5.4=4.6,
4÷20=0.2, 3.5×200=700,
1.5-0.06=1.44
0.75÷15=0.05,
0.4×0.8=0.32,
4×0.25=1,
0.36+1.54=2
1.01×99=99.99,
420÷35=12,
25×12=300,
135÷0.5=270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4= 0.64
4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6
5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15
2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18
19/9*76=36 4/9*8=18 5/8*90=144
99/98*99=98 3/14*6=28
7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14
5/1*25=5 8/19*16=38 61/60*122=120
7/2*28=8
6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45
8/9*16=18
12÷3/5=12×( 5/3) 9÷6/7=9×( 7/6 )
30÷5/6=30×(6/5 )
4×(3/2 )=4÷2/3 ( 4 )÷5/7=4×7/5 3÷4/5=3×5/4
6÷3/4=8 10÷2/5=25
18÷4/9=81/2 4×4/5=16/5
6×3/4=18/4 10×2/5=4 18×4/9=8
3÷3/4=4 2÷1/3=6 6÷4/5=15/2
1÷5/7=7/5 3/4÷3=1/4
1/3÷2=1/6 4/5÷6=2/15
5/7÷1=5/7
2/1*2=1 3/1*3=1
3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12
7/3*14=6 8/7*40=35
4/3*16=12
9/5*27=15 2/1*30=15
12/7*24=14
30/1*30=1
51/9*102=18 19/9*76=36
4/9*8=18
5/8*90=144 99/98*99=98
3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63
19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120
7/2*28=8 6/1*48=8
9/7*18=14
25/7*100=28
9/5*81=45
8/9*16=18
17×40=680,
100-63=37, 3.2+1.68=4.88,
2.8×0.4= 1.12
14-7.4=6.6,
1.92÷0.04=48,
0.32×500=160,
0.65+4.35= 5
10-5.4=4.6,
4÷20=0.2, 3.5×200=700,
1.5-0.06=1.44
0.75÷15=0.05,
0.4×0.8=0.32,
4×0.25=1,
0.36+1.54=2
1.01×99=99.99,
420÷35=12,
25×12=300,
135÷0.5=270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4= 0.64
4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×[15.5-(3.21+5.79)]
(31.8+3.2×4) ÷ 5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
36.25÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
19.4×6.1×2.3
5.67×0.2-0.62
18.1×0.92+3.93
0.4×0.7×0.25
0.78+5.436+1
4. 8× 5÷4+1÷4
9. 9x5÷6+5÷6
10. 3÷4x8÷9-1÷3
14. 31x5÷6-5÷6
16. 5÷9x18-14x2÷7
20. 3x2÷9+1÷3
35. 95÷(64-45)
36. 178-145÷5×6+42
7.2÷0.8-1.2×5
6.5×(4.8-1.2×4)
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
19.4×6.1×2.3
5.67×0.2-0.62
18.1×0.92+3.93
0.043×24+0.875
0.4×0.7×0.25
0.78+5.436+1
4.07×0.86+9.12
240×78÷(154-115)
1437×27+27×563
〔75-(12+18)〕÷15
2160÷〔(83-79)×18〕
280+840÷24×5
325÷13×(266-250)
85×(95-1440÷24)
58870÷(105+20×2)
1437×27+27×563
81432÷(13×52+78)
[37.85-(7.85+6.4)] ×30
156×[(17.7-7.2)÷3]
(947-599)+76×64
36×(913-276÷23)
[192-(54+38)]×67
81432÷(13×52+78)
(947-599)+76×64
60-(9.5+28.9)÷0.18
2.881÷0.43-0.24×3.5
0.8×〔15.5-(3.21+5.79)〕
(31.8 3.2×4)÷5
194-64.8÷1.8×0.9
36.72÷4.25×9.9
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
(6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8
(58+37)÷(64-9×5)
812-700÷(9+31×11)
(3.2×1.5+2.5)÷1.6
85+14×(14+208÷26)
120-36×4÷18+35
9.72×1.6-18.305÷7
3.2×(1.5+2.5)÷1.6
(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8
(3.2×1.5+2.5)÷1.6
120-36×4÷18+35
.15-10.75×0.4-5.7
347+45×2-4160÷52
(58+37)÷(64-9×5)
[(7.1-5.6)×0.9-1.15] ÷2.5
(3.2×1.5+2.5)÷1.6
5.4÷[2.6×(3.7-2.9)+0.62]
12×6÷(12-7.2)-6
3.2×6+(1.5+2.5)÷1.6
(3.2×1.5+2.5)÷1.6
120-144÷18+35
347+45×2-4160÷52
(58+37)÷(64-9×5)
95÷(64-45)
812-700÷(9+31×11)
120-36×4÷18+35
(6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
0.8×[(10-6.76)÷1.2]
19.4×6.1×24
5.67×0.2-0.62
18.1×0.92+3.93
24+0.875×99
0.4×0.7×0.25
0.75×102
100-56.23
31.50+160÷40
(58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42
420+580-64×21÷28
37.812-700÷(9+31×11)
(136+64)×(65-345÷23)
38.85+14×(14+208÷26)
120-36×4÷18+35
(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8
38.85+14×(14+208÷26)
120-36×4÷18+35
(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8
(3.2×1.5+2.5)÷1.6
3.2×(1.5+2.5)÷1.6
31.50+160÷40
(58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42
420+580-64×21÷28
812-700÷(9+31×11)
(136+64)×(65-345÷23)
(284+16)×(512-8208÷18)
120-36×4÷18+35
(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8
(3.2×1.5+2.5)÷1.6
(23.2×(1.5+2.5)÷1.6
45.6-1.6÷4=
5.38+7.85-5.37=
46.7÷0.8-1.2×5=
6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)=
0.68×1.9+0.32×1.9
297×999
1983×21+21×3017
(0.123+123) ×1009
34×24+3481
0.8×0.196+0.094
105+895×57
32.47×23+27
39.01×18.3-901
76.5+2-2×184
49+23×14
31×99
52×99+52
25×32×125
640÷80= 8
15×5=75
23×3= 69
12×2×5=120
480÷80= 6
16×5= 80
27×3= 81
90÷15= 6
48÷4= 12
640÷16= 40
39÷3= 13
24×20= 480
32×3= 96
48÷16= 3
12×8= 96
27×3= 81
56÷14= 4
24÷8= 3
14×2= 28
83-45= 38
560÷80= 7
96÷24= 4
40÷20= 2
40×30= 1200
37+26= 63
76-39= 37
605+59= 664
30×23= 690
12×8= 96
27+32= 59
48+27= 75
4500×20= 90000
73+15 = 88
120×600 = 72000
200×360= 72000
6800×400= 2720000
280+270= 450
4×2500= 10000
6000÷40= 150
5×1280= 6400
310-70= 220
400×14= 5600
470+180= 650
1000÷25= 40
160×600= 96000
20×420= 8400
290×300= 87000
8100÷300= 27
7600÷200= 38
7600÷400= 19
680+270= 950
980÷14= 70
4200÷30= 14
6×1300= 7800
1300×50=65000
200×48= 9600
930-660= 270
530+280= 810
9200÷400= 23
840÷21= 40
180×500= 900000
8000÷500 = 16
1900÷20= 95
200×160= 32000
8700÷300= 29
300×330=99000
3×1400= 4200
7000÷14= 500
600÷12= 50
9600÷80= 12
140×300= 42000
8800÷40= 22
9600÷800= 12
750-290= 460
5×490= 2450
760×20= 15200
7500÷500= 15
370×200= 74000
650÷13= 50
8600-4200=4400
240×4=960
15×10=150
12×11=131
160×30=4800
220×40=8800
104×5=520
4500÷50=90
120×2=240
90÷30=3
270÷30=9
270×30=8100
84÷21=4
76÷9=8余4
66÷7=9余3
100-54=46
123+15=138
360÷4=90
55÷5=11
32×6=192
7000÷70=100
200÷40=5
180÷30=6
240÷40=6
35×2=70
140×7=980
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