北师大版六年级简单计算题和方程题急解
=36*111+8*111*8
=36*111+111*64
=111*(36+64)
=111*100
=11100
32*165-16*64*2-32
=32*165-(16*2)*64-32
=32*165-32*64-32*1
3333*3333+9999*8889=3333*3*1111+9999*8889=9999*1111+9999*8889=9999* (1111+8889)=9999*10000=999900009.8*62.5*1.25-1.25*0.625*180 =980*0.625*1.25-1.25*0.625* 180=(980-180)*0.625*1.25=800*0.625*1.25=500*1.25=625
47*9和47/46
=(46+1)*47/46
=46*47/46+1*47/46
=47+47/46
=47和47/46
X- 27 X= 2X + 25 = 35 70%X + 20%X = 3.6
X×= 20×25%+10X = X-15% X = 68
X+X = 121 5X-3×= X \u= 12
6X+5 =13.4 3X=
X \ = X+X = 4X-6×= 2
125 ÷X=310 X = X = ×
x =×4x-3×9 = 29 x+x = 4
X-21× =4
6X+5 = 13.4 25 X-13 X = 310 4χ-6 = 38
5X = X = X \u=
X \ = 12 X = X =×
X÷X-0.25 = = 30%
4+0.7X = 102 X+X = 42 X+X = 105
X- X=400 X-0.125X=8 =
X+37 X = 18 X×(16+38)= 1312 X-0.375 X =
x× + =4× X- X=12 5 X-2.4×5=8
0.36×5-34 x = 35 23(x-4.5)= 7 12 x-25% x = 10
x-0.8x = 16+6 20 x–8.5 = 1.5 x-45 x-4 = 21
X+25%X=90 X-37 X= 89
45.55-(6.82+15.55)
34.52-17.87-12.23
6.43-(1.4-0.57)
23.75-8.64-3.46
17.83-9.5-7.83-0.5
5.38+88.2-2.38+1.8
27.38-5.34+2.62-4.66
21.63-(8.5+9.63)
7.5-2.45+7.5+2.45
5.09-(0.09+1.23)
9.36-(4.36-3.5)
609-708+306-108+202-198+497-100
99999×26+33333×22
19175÷59+678
1.3-3.79+9.7-6.21
8×0.4×12.5×2.5
125×(8+0.8+0.08)
35 ÷〔78-(25+38)〕
3.35×6.4×2+6.7×3.6
18.7-3.375-6.625
25×1.25×32
1.28+9.8+7.72+10.2
12 ×1951 +12×2049
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
671×15-974
469×12+1492
405×(3213-3189)
12*(1/2+2/3+5/6)
1.25×17.6+36.1÷0.8+2.63×12.5
7.5× 2.3+1.9×2.5
1999+999×999
75÷〔138÷(100-54)〕
80400-(4300+870÷15)
240×78÷(154-115)
1437×27+27×563
〔75-(12+18)〕÷15
2160÷〔(83-79)×18〕
325÷13×(266-250)
58870÷(105+20×2)
[37.85-(7.85+6.4)] ×30
[192-(54+38)]×67
[(7.1-5.6)×0.9-1.15]÷2.5
[60-(9.5+28.9)]÷0.18
20×[(2.44-1.8)÷0.4+0.15]
0.8×[(10-6.76)÷1.2]
25%-695%-12%)*36
3/4*3/5+3/4*2/5
(1-1/4+8/9)/7/9
2/3+1/6/3/24+2/21
1*8/15*3/5
10-3/4/9/10-1/6
[(1/3+1/2)/5/6-1/3]/1/7
2/3/5+3/5/2+3/4
1/[(2-2/3/1/2)]*2/5
3^2*3.25678
3^3-5
4^2-34%
3.25-315%
7^3+445%
12+5268.32-2569
123+456-52*8
45%+6325
1/2+1/3+1/4
789+456-78
45%+54%-36%
=32*(165-64-1)
=32*100
=3200
99999*77778+33333*66666
= 99999*77778+33333*(3*22222)
= 99999*77778+99999*22222
= 99999*(77778+22222)
= 99999*100000
= 9999900000
77*13+255*999+510
= 77*13+255*(1000-1)+510
= 1001+255*1000-255+510
= 256256
58-92+42-8
=58+42-(92+8)
=0
888+999
=1000+888-1
=1887
(88*125+125*12)*8
=88×125×8+125×8×12
=125×8×(88+12)
=1000×100
=100000
816-2304/72+8*3
)=88×125×8+125×8×12
=125×8×(88+12)
=1000×100
=100000
3306*51/7
=17136÷7
=2448
82 8/1÷9
=8/657×9/1
=8/73
20/3÷(5/1+2/1)
=20/3÷10/7
=20/3×7/10
=14/3
25/14÷(5/1+2/1)
=25/14×7/10
=5/4
2÷3/2÷4/3÷5/4÷.....9/8÷10/9
=10
178× 3/4+322× 0.75
= 178× 3/4+322× 3/4
= 3× 4 (178+322)
= 4的3×500。
=375
37×111+777×9
=37×111+111×7×9
=37×111+111×63
=111×(37+63)
=111×100
=11100