1樓:瀛洲煙雨
300÷
bai125÷8
=300÷(
duzhi125×8)
dao=300÷1000
=0.3
396-96-172-28
=(396-96)-(172+28)
= 300-200
= 100
125*24
= 125*8*3
= 1000*3
= 3000
26*15
= (20+6)*15
= 20*15 + 6*15
= 300+90
=390
25*99*4
= 25*4*99
= 100*99
= 9900
250*32
= 250*4*8
= 1000*8
= 8000
(98+98+98+98)*25
= 4*98*25
= 4*25*98
= 100*98
= 9800
2樓:匿名使用者
0.4x125x25x0.8
=(0.4x25)x(125x0.8)
=100x100
=1000
1.25x(8+10)
=1.25x8+1.25x10
=10十12.5
=22.5
9123-(123+8.8)
=9123-123-8.8
=9000-8.8
8991.2
1.24x8.3+8.3x1.76
=8.3x(1.24+1.76)
=8.3x3
=24.9
933-157-43
=933-(157+43)
=933-200
=733
3樓:匿名使用者
8.37-3.25-(1.37+1.75)=專8.37-1.37-(3.25+1.75)=7-5
=23.4×
屬99+3.4
=3.4×99+3.4×1
=3.4×(99+1)
=3.4×100
=340
(125+125)×8
=125×8+125×8
=1000+1000
=2000
25×36
=25×4×9
=100×9
=900
(2.5+12.5)×40
=2.5×40+12.5×40
=100+500
=600
6.5×9.5+6.5×0.5
=6.5×(9.5+0.5)
=6.5×10=65
4樓:匿名使用者
0.25x1.25x32
=0.25x1.25x(8x4丿
=0.25x4x1.25x8
=1x10=10
5樓:匿名使用者
就是有一些那個題出的太簡單了,應該難一點就好了,因為哪一點的話比較好一點,讓人學習的話更快了計算那些計算題兒就好多了。
6樓:匿名使用者
500+20=520
20×26=520
7樓:匿名使用者
零點4×125×25×0點八,答案是一萬
8樓:匿名使用者
6.5乘9.5+6.5乘0.5=65
9樓:匿名使用者
7/9×2/3-2/7,5/5+5/5×5/5,6+6×5+5,再乘5/6
六年級數學100道脫式計算帶過程帶答案 急急急 !!!
10樓:新野旁觀者
六年級數學脫式計算帶
過程帶答案 急急急
1.6÷ 3/8 – 3/8 ÷6
=1/6x(3/8-3/8)
=1/6x0
=02.4/7 × 5/9 + 3/7 × 5/9=(4/7+3/7)x5/9
=1x5/9
=5/9
3.5/2 -( 3/2 + 4/5 )
=5/2-3/2-4/5
=1-4/5
=1/5
4.6 ×( 1/2 + 2/3 )
=6x1/2+6x2/3
=3+4
=75.8 × 4/5 + 8 × 11/5=8x(4/5+11/5)
=8x3
=246.31 × 5/6 – 5/6
=(31-1)x5/6
=30x5/6
=257.4/5 × 25/16 + 2/3 × 3/4=5/4+1/2
=5/4+2/4
=7/4
8.101 × 1/5 – 1/5 × 21=(101-21)x1/5
=80x1/5=16
11樓:love嗉衡檾嗉
1.6÷ 3/8 – 3/8 ÷6
=1/6x(3/8-3/8)
=1/6x0
=02.4/7 ×
5/9 + 3/7 × 5/9
=(4/7+3/7)x5/9
=1x5/9
=5/9
3.5/2 -( 3/2 + 4/5 )
=5/2-3/2-4/5
=1-4/5
=1/5
4.6 ×( 1/2 + 2/3 )
=6x1/2+6x2/3
=3+4
=75.8 × 4/5 + 8 × 11/5=8x(4/5+11/5)
=8x3
=246.31 × 5/6 – 5/6
=(31-1)x5/6
=30x5/6
=257.4/5 × 25/16 + 2/3 × 3/4=5/4+1/2
=5/4+2/4
=7/4
8.101 × 1/5 – 1/5 × 21=(101-21)x1/5
=80x1/5
=16點贊,謝謝
12樓:丘位元
關於到六年級數學脫式計算的相關資訊,可以查閱相關書籍資料
13樓:匿名使用者
70%+20%=3.6
解90%x=3.6
x=3.6÷90%
x=3.6÷0.9x=4
六年級數學簡便運算帶答案100道
14樓:匿名使用者
2.55✖️7.1➕2.45✖️7.1
=(2.55➕2.45)✖️7.1
=5✖️7.1
=35.5
六年級數學,10道簡便計算題帶答案謝謝哦∩_∩
15樓:匿名使用者
我來答 檢視全部11個回答
凌月霜丶
知道合夥人教育行家 推薦於 2018-02-24(1)2.64×1.7-2.64×0.7
=2.64×(1.7-0.7)
=2.64×1
=2.64
(2)31.5×1.07-3.15×0.7=3.15×10.7-3.15×0.7
=3.15×(10.7-0.7)
=3.15×10
=31.5
(3)2.7×5.7-2.7+5.3×2.7=2.7×(5.7-1+5.3)
=2.7×10
=27(4)0.625÷0.125×0.8=(0.625×0.8)×8÷(0.128×8)=0.5×8÷1
=4(5)18.6×6.1+3.9×18.6=18.6×(6.1+3.9)
=18.6×10
=186
(6)1.3579+3.5791+5.7913+7.9135+9.1357
=(1+3+5+7+9)×1.1111
=25×1.1111
=27.7775
(7)52.5x2.9+5.45
=5.25x29+5.25+0.2
=5.25×(29+1)+0.2
=5.25×30+0.2
=157.5+0.3
=157.7
(8)0.92x15+0.08x15
=(0.92+0.08)×15
=1×15
=15(9)0.72×1.25×2.5
=0.9×(0.8×1.25)×2.5
=0.9×1×2.5
=2.25
(10)400.6x7-2003x0.4
=200.3x14-200.3x4
=200.3×(14-4)
=200.3×10
=2003
16樓:凌月霜丶
(1)2.64×1.7-2.64×0.7
=2.64×(1.7-0.7)
=2.64×1
=2.64
(2)31.5×1.07-3.15×0.7=3.15×10.7-3.15×0.7
=3.15×(10.7-0.7)
=3.15×10
=31.5
(3)2.7×5.7-2.7+5.3×2.7=2.7×(5.7-1+5.3)
=2.7×10
=27(4)0.625÷0.125×0.8=(0.625×0.8)×8÷(0.128×8)=0.5×8÷1
=4(5)18.6×6.1+3.9×18.6=18.6×(6.1+3.9)
=18.6×10
=186
(6)1.3579+3.5791+5.7913+7.9135+9.1357
=(1+3+5+7+9)×1.1111
=25×1.1111
=27.7775
(7)52.5x2.9+5.45
=5.25x29+5.25+0.2
=5.25×(29+1)+0.2
=5.25×30+0.2
=157.5+0.3
=157.7
(8)0.92x15+0.08x15
=(0.92+0.08)×15
=1×15
=15(9)0.72×1.25×2.5
=0.9×(0.8×1.25)×2.5
=0.9×1×2.5
=2.25
(10)400.6x7-2003x0.4
=200.3x14-200.3x4
=200.3×(14-4)
=200.3×10
=2003
17樓:匿名使用者
152×
3÷2=456÷2
=228
43×12×6
=516×6
3096
200+25×33
=200+825
=1025
(25+26)×48
=51×48
=2448
576-(290+107)
=576-397
=179
腦子已短缺,只有這麼多
18樓:匿名使用者
62×7.1+2.9,
=440.2+2.9,
=443.1;
4.2×0.25,
=(4+0.2)×0.25,
=4×0.25+0.2×0.25,
=1+0.05,
=1.05;
5.2×4.3+0.8×4.3,
=(5.2+0.8)×4.3,
=6×4.3,
=25.8.
8.5+1.5÷0.25×4,
=8.5+6×4,
=8.5+24,
=32.5.
0.25×0.8+2.5%
=0.2+2.5%,
=0.225;
32×125×2.5,
=4×8×125×2.5,
=8×125×(4×2.5),
=1000×10,
=10000;
94÷(6.84×8.5-31.46÷0.55),=94÷(58.14-57.2),
=94÷0.94,
=100.
13÷0.4÷2.5,
=13÷(0.4×2.5),
=13÷1,
=13;
1.25×2.5×0.8,
=(1.25×0.8)×2.5,
=1×2.5,
=2.5;
1.5×101-1.5,
=1.5×(101-1),
=1.5×100,
=150;
4.8×101,
=4.8×100+4.8×1,
=480+4.8,
=484.8.
3.25×4.7-7.8,
=15.275-7.8,
=7.475;
0.57+0.43×0.24,
=0.57+0.1032,
=0.6732.
945÷5÷3,
=189÷3,
=63;
152×3÷2,
=456÷2,
=228;
43×12×6,
=516×6,
=3096.
200+25×33,
=200+825,
=1025;
(25+26)×48,
=51×48,
=2448.
576-(290+107),
=576-397,
=179;
649+124-556,
=773-556,
=217.
4.82-5.2÷0.8×0.6,
=4.82-6.5×0.6,
=4.82-3.9,
=0.92.
我這兒有哦,這麼多,不知道你夠不夠
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