1樓:愛軍
(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
朋友,請及時採納正確答案,下次還可能幫到您哦,您採納正確答案,您也可以得到財富值,謝謝。
1.0.64×25×7.8+2.2
2.2÷2.5+2.5÷2
3.194-64.8÷1.8×0.9
4.36.72÷4.25×9.9
5.5180-705×6
6.24÷2.4-2.5×0.8
7.(4121+2389)÷7
8.671×15-974
9.469×12+1492
10.405×(3213-3189)
11.(25%-695%-12%)*36
12. 3/4*3/5+3/4*2/5
13. (1-1/4+8/9)/7/9
14 2/3+1/6/3/24+2/21
15 1*8/15*3/5
16 10-3/4/9/10-1/6
17 [(1/3+1/2)/5/6-1/3]/1/718 2/3/5+3/5/2+3/4
19 1/[(2-2/3/1/2)]*2/5
2樓:
第七題最後應該是:157.5+0.2不是157.5+0.3。
六年級數學,10道簡便計算題帶答案謝謝哦∩_∩
3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
4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
5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
6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
7樓:新野旁觀者
1.3/7 × 49/9 - 4/3
2.8/9 × 15/36 + 1/27
3.12× 5/6 – 2/9 ×3
4.8× 5/4 + 1/4
5.6÷ 3/8 – 3/8 ÷6
6.4/7 × 5/9 + 3/7 × 5/97.5/2 -( 3/2 + 4/5 )
8.7/8 + ( 1/8 + 1/9 )9.9 × 5/6 + 5/6
10.3/4 × 8/9 - 1/3
11.7 × 5/49 + 3/14
12.6 ×( 1/2 + 2/3 )
13.8 × 4/5 + 8 × 11/514.31 × 5/6 – 5/6
15.9/7 - ( 2/7 – 10/21 )16.5/9 × 18 – 14 × 2/717.
4/5 × 25/16 + 2/3 × 3/418.14 × 8/7 – 5/6 × 12/1519.17/32 – 3/4 × 9/2420.
3 × 2/9 + 1/3
21.5/7 × 3/25 + 3/7
22.3/14 ×× 2/3 + 1/6
23.1/5 × 2/3 + 5/6
24.9/22 + 1/11 ÷ 1/2
25.5/3 × 11/5 + 4/3
26.45 × 2/3 + 1/3 × 1527.7/19 + 12/19 × 5/628.1/4 + 3/4 ÷ 2/3
29.8/7 × 21/16 + 1/2
30.101 × 1/5 – 1/5 × 21
8樓:星辰
一年級數學十道簡便計算時這個六年級的數學也是說簡單也簡單說難也很難現在的孩子的質量越來越提高了
9樓:匿名使用者
題目:62.1x6+5x62.1-62.1答案:=62.1x(6+5-1)
=62.1×10
=621
10樓:豔陽天
第四題的0.128×8不等於1因該是0.125×8
11樓:匿名使用者
47x29十47x71
=47x(29+71)
=47x100
=4700
92x99+92
=(99+1)x92
=100x92
=9200
210x23
=(200+1)x23
=200x23+23x1
=4600+23
=4623
八十道怎樣簡便就簡樣計算要答案,十道簡便計算帶答案
1 475 254 361 2 615 475 125 3 860 168 159 二 用簡便方法計算。十道簡便計算帶答案 1 朋友,請及時採納正確答案,下次還可能幫到您哦,您採納正確答案,您也可以得到財富值,謝謝。1 34 8 4又5 6 3又3 4 3 14 2 7 13 12 1 2 2又1 ...
求幾道分數簡便運算題,求十道分數簡便計算題
謁問 一 口算下面各題。23分 10 2.65 0.9 0.08 528 349 6 14.4 24 0.04 12.34 2.3 0 3.8 0.77 0.33 7 1.4 67.5 0.25 7.2 8 4 5 1.4 1.6 400 125 8 1.9 4 0.5 80 0.125 3 6 6...
急急急 求助分數簡便計算 分數混合運算各十道
班級 姓名。一 想一想,填一填。2 12個5 6是 24的2 3 是 3 一個正方形的邊長是3 4分米,它的周長是 分米。4 一堆煤,每天用去1 9噸,3天一共用去 噸。5 在 內填上 或 6 和1 8 互為倒數,11 13的倒數是 8 六 1 班有50人,女生佔全班人數的 2 5,女生有 人,男生...