1樓:數理與生活
4/5+3/8*4/3-2/10
=4/5+1/2-2/10
=8/10+5/10-2/10
=11/10
2/7*5/9*(18+14)
=10/7/9*32
=320/63
5/21÷10*3又1/2
=5/21÷10*7/2
=1/3 ÷1
=1/3
求大量的類似(-5/3)+(-2又1/7)和-22-(8),14+(-3),這型別的數學題目,最好附有答案的.
2樓:匿名使用者
|[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-1+2-3+4-5+6-7
-50-28+(-24)-(-22)
-19.8-(-20.3)-(+20.2)-10.8
0.25- +(-1 )-(+3 )
-1-〔1-(1-0.6÷3)〕×
〔2-(-3)×(-4)〕
0÷(-4)-42-(-8)÷(-1)3
-32-(-3) 2-(-3)3+(-1)6
3×(-2)2+(-2×3)2+(-2+3)2
(-12)÷4×(-6)÷2
(-12)÷4×(-6)×2
75÷〔138÷(100-54)〕
85×(95-1440÷24)
80400-(4300+870÷15)
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)
-(3.4 1.25×2.4)
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]
(136+64)×(65-345÷23)
(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
(284+16)×(512-8208÷18)
9.72×1.6-18.305÷7
4/7÷[1/3×(3/5-3/10)]
(4/5+1/4)÷7/3+7/10
12.78-0÷( 13.4+156.6 )
37.812-700÷(9+31×11)
(136+64)×(65-345÷23)
3.2×(1.5+2.5)÷1.6
85+14×(14+208÷26)
(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5
(284+16)×(512-8208÷18)
0.12× 4.8÷0.12×4.8
(3.2×1.5+2.5)÷1.6
120-36×4÷18+35
10.15-10.75×0.4-5.7
5.8×(3.87-0.13)
+4.2×3.74 347+45×2-4160÷52
32.52-(6+9.728÷3.2)×2.5 87(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
5.8×(3.87-0.13)+4.2×3.74
33.02-(148.4-90.85)÷2.5
-38)+52+118+(-62)=
(-32)+68+(-29)+(-68)=
(-21)+251+21+(-151)=
12+35+(-23)+0=
(-6)+8+(-4)+12 =
27+(-26)+33+(-27)
12+35+(-23)+0=
39+[-23]+0+[-16]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+[+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
1-4/9 =
1-7/10=
8/15-5=
7-15=
2/8-5/8=
8/27-5 =
4-27 =
11/12-10/12=
16/21-1/7 =
4/ 2-(3+3 )=
1/3- 7/12-7/18=
1 -1/3
(3/5+7/8)*40 11/3-5/7*14/15 5/6/(4/7/9/14) (5/8-1/10)*(5/9+1/3) 1/5/(1-1/2-1/3)
3樓:匿名使用者
(3/5+7/8)x40
=3/5x40+7/8x40
=24+35
=5911/3-5/7x14/15
=11/3-2/3
=35/6÷(4/7÷9/14)
=5/6÷(4/7x14/9)
=5/6÷8/9
=5/6x9/8
=15/16
(5/8-1/10)x(5/9+1/3)
=21/40x8/9
=7/15
1/5÷(1-1/2-1/3)
=1/5÷1/6
=6/5
(3/4+1/2)÷5/8
=5/4x8/5
=223/14x27-9/14÷1/27
=27x(23/14-9/14)
=27x1
=2724x(3/4-7/12)
=24x3/4-24x7/12
=18-14
=4(2/3-4/9x3/8)÷7/16
=(2/3-1/6)x16/7
=1/2x16/7
=8/7
20÷5/9+3/8x4
=20x9/5+3/2
=36+3/2
=75/2
計算脫式 (5/6-1/4*2/3)÷1/6 (3/8-1/4)÷(8/9*3/4) 18/35÷0.6*2/3 7/8*【1÷(7/10-7/20)】 下面
4樓:匿名使用者
(5/6-1/4*2/3)
÷1/6
=(5/6-1/6)
=5/6×6/1-1/6×6/1
=5-1
=4(3/8-1/4)÷(8/9*3/4)=(3/8-1/4)÷2/3
=3/8×3/2-1/4×3/2
=9/16-3/8
=9/16-6/16
=3/16
或=(3/8-1/4)÷2/3
=1/8×3/2
=3/16
18/35÷0.6*2/3
=18/35÷3/5×2/3
=18/35×5/2
=9/7
7/8*【1÷(7/10-7/20)】
=7/8×[1÷7/20]
=7/8×[1×20/7]
=7/8×20/7
=5/2
4.67-(2.98+0.67)
=4.67-2.98-0.67
=4-2.98
=4-(3-0.02)
=4-3+0.02
=1.02
7.85*99+7.85
=7.85(99+1)
=7.85×100
=785
(51+34/39)*2/17
=51*2/17+34/39*2/17
=3*2+4/39
=6+4/39
=6又4/39
7.5*0.4*25*0.8
=25*0.3*0.4*25*0.2*4
=25*4*25*0.4*0.3*0.2
=100*10*0.06
=60102*7.8
=(100+2)*7.8
=780+15.6
=795.6
14.28÷3.5÷2
=14.28÷(3.5*2)
=14.28÷7
=2.04
2/3*1/15+14/15*2/3
=2/3(1/15+14/15)
=2/3×1
=2/3
97*97/98
=97×(1-1/98)
=97-97/98
=96又1/98
5樓:我不是他舅
(5/6-1/4*2/3)÷1/6
=(5/6-1/6)×
6=4/6×6
=4(3/8-1/4)÷(8/9*3/4)=1/8÷2/3
=1/8×3/2
=3/16
18/35÷0.6*2/3
=18/35×5/3×2/3
=6/7×2/3
=4/7
7/8*【1÷(7/10-7/20)】
=7/8×1÷7/20
=7/8×20/7
=5/2
4.67-(2.98+0.67)
=4.67-0.67-2.98
=4-2.98
=1.02
7.85*99+7.85
=7.85×(99+1)
=7.85×100
=785
(4/9+3/14)*14*18怎麼解?
6樓:我叫狼哥
這道題目可以用乘法分配律:
=4/9*14*18+3/14*14*18=112+54
=166
希望能對你有所幫助。
7樓:ok流量
=(4/9)*18*14+(3/14)*14*18=8*14+3*18
=112+54
=166
六年級簡便計算:1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35=
8樓:匿名使用者
1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35
=1/3+3/4+2/5+5/7+7/8+(4/20+5/20)+(3/21+7/21)+ (3/24+8/24)+(5/35+14/35)
=1/3*3+(3/4+1/4)+(2/5+1/5+2/5)+(5/7+1/7+1/7)+(7/8+1/8)
=1+1+1+1+1
=5 1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35
=(1/3+3/4+7/8+11/24)+(2/5+9/20)+(5/7+10/21+19/35)
=(8/24+18/24+21/24+11/24)+(8/20+9/20)+(75/105+50/105+57/105)
=29/12+17/20+26/15
=145/60+51/60+104/60
=300/60=5
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