1樓:匿名使用者
(注:『+』加號 『-』減號 『×』乘號『÷』除號 『/』分數線 『()』括號『』小括號
99+654+901
645984+6541-45984
6541-1234-541
5424-123-877
25×46×4
125×(8+16)
156×888+156×112
125×3+125×5+25×3+25
9999×3+101×11×(101-92)(23/4-3/4)×(3×6+2)
3/7 × 49/9 - 4/3
8/9 × 15/36 + 1/27
12× 5/6 – 2/9 ×3
8× 5/4 + 1/4
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/95/2 -( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
3/4 × 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )5/9 × 18 – 14 × 2/7 4/5 × 25/16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/1517/32 – 3/4 × 9/24
3 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/14 × 2/3 + 1/6
1/5 × 2/3 + 5/6
9/22 + 1/11 ÷ 1/2
5/3 × 11/5 + 4/3
45 × 2/3 + 1/3 × 15
7/19 + 12/19 × 5/6
1/4 + 3/4 ÷ 2/3
8/7 × 21/16 + 1/2
101 × 1/5 – 1/5 × 21
50+160÷40
120-144÷18+35
347+45×2-4160÷52
(58+37)÷(64-9×5)
95÷(64-45)
178-145÷5×6+42
812-700÷(9+31×11)
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
6-1.6÷4= 5.38+7.85-5.377.2÷0.8-1.2×5
6-1.19×3-0.43
6.5×(4.8-1.2×4)
5.8×(3.87-0.
13)+4.2×3.7432.
52-(6+9.728÷3.2)×2.
5[(7.1-5.6)×0.
9-1.15] ÷2.55.
4÷[2.6×(3.7-2.
9)+0.62]12×6÷(12-7.2)-6
12×6÷7.2-6
0.68×1.9+0.32×1.9
58+370)÷(64-45)
420+580-64×21÷28
136+6×(65-345÷23)
15-10.75×0.4-5.7
18.1+(3-0.299÷0.23)×1(6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8
(3.2×1.5+2.5)÷1.6
3.2×6+(1.5+2.5)÷1.6
0.68×1.9+0.32×1.9
10.15-10.75×0.4-5.7
5.8×(3.87-0.
13)+4.2×3.7432.
52-(6+9.728÷3.2)×2.
5[(7.1-5.6)×0.
9-1.15] ÷2.55.
4÷[2.6×(3.7-2.
9)+0.62]12×6÷(12-7.2)-6
12×6÷7.2-6
33.02-(148.4-90.85)÷2.5
2樓:sweet藍調
125*3+125*5+25*3+25
=(3+5)*125+25*3+25*1
=8*125+25*(3+1)
=1000+100
=1100
9999*3+101*11*(101-92)=(10000-1)*3+(100+1)*11*9=(10000*3-1*3)+(100*11+11*1)*9=30000-3+1100+11*9
=29999+1111*9
=29999+9999
=(29999+1)+9999-1
=30000+9999-1
=39999-1
=39998
23/4是什麼意思?
是' 四分之二十三' 還是' 23除以4' ?
3樓:
(1)25×4
÷50-1
(2)(36+10)÷2
(3)5×37+43
(4)33+1×6
(5)5×10÷2
(6)6×6+5×2+3×7
六年級的數學題,分數四則混合運算簡便演算法
4樓:匿名使用者
第一題乘法分配律分復
別乘,制11
第二題先算除法,化到12/14,再減,
bai1/14
第三題分
du配zhi
第四題先把後面變dao成4/9*5/6,再提取5/6,分配律,5/6第五題變成4*5/4-4/5*1/4,直接算,四又五分之四第六題先算中括號裡的,再算外面,70/11
5樓:愛學習的人
題:du5/9x(9/5+18) 5/9x5/6+4/9÷
zhi6/5
=dao5/9×9/5+5/9×18 =5/9×5/6+4/9×5/6
=1+10 =(5/9+4/9)×5/6
=11 =1×5/6
=5/6
13/14-15/28÷5/8 4÷4/5-4/5÷4
=13/14-15/28×8/5 =4×5/4-4/5×1/4
=13/14-3/7×2 =5+1/5
=13/14-6/7 =26/5
=1/14
(5/6-3/4)÷3/8 7/11÷[2/5-(1-7/10)}
=(5/6-3/4)×8/3 =7/11÷[2/5-3/10]
=5/6×8/3-3/4×8/3 =7/11÷1/10
=20/9-2 =70/11
=2/9
6樓:匿名使用者
5/9x(9/5+18) 5/9x5/6+4/9÷6/5
=5/9×9/5+5/9×18 =5/9×5/6+4/9×5/6
=1+10 =(5/9+4/9)×5/6
=11 =1×5/6
=5/6
13/14-15/28÷5/8 4÷4/5-4/5÷4
=13/14-15/28×8/5 =4×5/4-4/5×1/4
=13/14-3/7×2 =5+1/5
=13/14-6/7 =26/5
=1/14
(5/6-3/4)÷3/8 7/11÷[2/5-(1-7/10)}
=(5/6-3/4)×8/3 =7/11÷[2/5-3/10]
=5/6×8/3-3/4×8/3 =7/11÷1/10
=20/9-2 =70/11
=2/9
7樓:羅未家憶雪
題:5/9x(9/5+18)
5/9x5/6+4/9÷6/5
=5/9×回9/5+5/9×18
=5/9×5/6+4/9×5/6
=1+10
=(答5/9+4/9)×5/6
=11=1×5/6
=5/6
13/14-15/28÷5/8
4÷4/5-4/5÷4
=13/14-15/28×8/5
=4×5/4-4/5×1/4
=13/14-3/7×2
=5+1/5
=13/14-6/7
=26/5
=1/14
(5/6-3/4)÷3/8
7/11÷[2/5-(1-7/10)}
=(5/6-3/4)×8/3
=7/11÷[2/5-3/10]
=5/6×8/3-3/4×8/3
=7/11÷1/10
=20/9-2
=70/11
=2/9
8樓:懷貝嶽香巧
題:5/9x(9/5+18)
5/9x5/6+4/9÷
zhi6/5
=dao5/9×回9/5+答5/9×18
=5/9×5/6+4/9×5/6
=1+10
=(5/9+4/9)×5/6
=11=1×5/6
=5/6
13/14-15/28÷5/8
4÷4/5-4/5÷4
=13/14-15/28×8/5
=4×5/4-4/5×1/4
=13/14-3/7×2
=5+1/5
=13/14-6/7
=26/5
=1/14
(5/6-3/4)÷3/8
7/11÷[2/5-(1-7/10)}
=(5/6-3/4)×8/3
=7/11÷[2/5-3/10]
=5/6×8/3-3/4×8/3
=7/11÷1/10
=20/9-2
=70/11
=2/9
小學五年級數學上冊怎樣簡便怎樣算的四則混合運算題庫
9樓:凌月霜丶
(1)1533÷73+159-57=
(2) 83×
回91÷答131+38=
(3)197-46+67-13=
(4) 1512÷54×126-52=
(5) 192+52×136÷66=
(6)123-47+159-16=
(7) 164×23-126+74=
(8) 117+21+17-19=
(9) 81÷9×161+93=
(10) 93×35-128+36= (11) 86×9+87×99=9387
(12) 2324÷83-108÷54=26(13)
3348÷93+15-17=34
(14) 51+1414÷14-90=62(15) 42+31×180+42= 5664(16)
17×25-2050÷82= 400
(17) 552÷12×18-66= 762(18) 1118-18÷2×109= 137(19)
916-952÷17×5= 636
(20) 1044÷29-540÷45= 24(21) 23+15+925÷37=
(22) 52+770÷22-22=
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