1樓:匿名使用者
0.25x16.2x4
=0.25×4×16.2
=1×16.2
=16.2
4.8x7.8+78x0.52
=4.8×7.8+7.8×5.2
=7.8×(4.8+5.2)
=7.8×10
=783.72x3.5+6.28x3.5
=3.5×(3.72+6.28)
=3.5×10
=3536.8-3.9-6.1
=36.8-(3.9+6.1)
=36.8-10
=26.8
25.48-(9.4-0.52)
=25.48+0.52-9.4
=26-9.4
=17.6
2樓:於流如
3.7x2.5+0.
3x2.5=(3.7 +0.
3)x2.5=4x2.5=10 0.
125x(8+0.8)=0.125x8+0.
125x0.8=1+0.1=1.
1 1.6x7.8x1.
25=7.8x2x0.8x1.
25=7.8x2x1=15.6 解方程 4(x-6)=36 4x-24=36 4x=36+24 x=60/4 x=15 2x+0.
2xx2=36 2x+0.4x=36 2.4x=36 x=36/2.
4 x=15 根據...
3樓:q躕黒
來幾題吧 29+52+48 698-275-25 48×37+52×37 79×68-79×58 88×125 99×87 101×56 (40+4)×25
4.8x7.8+78x0.52簡便計算
4樓:我不要太可愛
4.8x7.8+78x0.52簡便計算方法如下:
4.8x7.8+78x0.52=4.8x7.8+7.8x5.2=7.8x(4.8+5.2)=7.8x10=78
5樓:滾雪球的祕密
4.8x7.8+78x0.52簡便計算過程如下:
4.8x7.8+78x0.52
=4.8x7.8+7.8x5.2
=7.8x(4.8+5.2)
=7.8x10
=78所以4.8x7.8+78x0.52簡便計算的最後結果是78。
6樓:假面
計算過程如下:
4.8x7.8+78x0.52
=4.8x7.8+7.8x5.2
=7.8x(4.8+5.2)
=7.8x10=78
7樓:楓葉
4.8×7.8+78×0.52
=(4.8+5.2)×7.8
=10×7.8
=78你好,本題已解答,如果滿意,請點右下角「採納答案」,支援一下。
8樓:匿名使用者
4.8x7.8+78x0.52
=4.8x7.8+7.8x5.2
=7.8x(4.8+5.2)
=7.8x10=78
9樓:
=0.48x78+78x0.52
=78x(0.48+0.52)
=78x1
=78請採納
10樓:大爺要努力
=(4.8+5.2)*7.8
=10*7.8=78
11樓:匿名使用者
4.8x7.8+78x0.52
=0.48x78+78x0.52
=78x(0.48+0.52)=78
12樓:
等於78,你自己會不會就自己會不會吧?我只能告訴你答案
4.8x7.8+78x0.52簡便運算?
13樓:聆聽萬物
脫式計算4.8×7.8+78×0.52
解題思路:四則運算規則(按順序計算,先算乘除後算加減,有括號先算括號,有乘方先算乘方)即脫式運算(遞等式計算)需在該原則前提下進行
解題過程:
4.8×7.8+78×0.52
=(4.8+5.2)×7.8
=10×7.8
=78擴充套件資料=>豎式計算-計算結果:先將兩乘數末位對齊,然後分別使用第二個乘數,由末位起對每一位數依次乘上一個乘數,最後將所計算結果累加即為乘積,如果乘數為小數可先將其擴大相應的倍數,最後乘積在縮小相應的倍數;
解題過程:
步驟一:8×10=80
步驟二:7×10=700
根據以上計算步驟組合結果為78
存疑請追問,滿意請採納
14樓:再來一碗湯
4.8*7.8+78*0.52
=4.8*7.8+7.8*5.2
=7.8*(4.8+5.2)
=7.8*10=78
15樓:快樂無限
4.8x7.8+78x0.52
=4.8x7.8+7.8x5.2
=(4.8+5.2)x7.8
=10x7.8
=78希望能幫到你!
4.8x7.8+78x0.52簡便計算
16樓:商珧玉俊名
4.8x7.8+78x0.52
=4.8x7.8+7.8x5.2
=7.8x(4.8+5.2)
=7.8x10=78
4.8x7.8+78x0.52用簡便方法來計算
17樓:你愛我媽呀
解:4.8x7.8+78x0.52
=4.8x7.8+7.8x5.2
=7.8x(4.8+5.2)
=7.8x10
=7878x0.52當78的小數點向左移時,0.52的小數點便要向右移。
18樓:匿名使用者
4.8*7.8+78*0.52
=78(0.48+0.52)
=78*1=78
100道五年級脫式計算題帶答案和過程都有哪些?
19樓:幸福一職存在
5.4÷1.8+240×
1.5=3+360=363
9000÷72×(1.25×0.7×8)=9000÷72×7=125×7=875
1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5
4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48
2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8
3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7
3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1
0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000
1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2
1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9
9999×1001=9999×(1000+1)=9999×1000+9999×1=10008999
14.8×6.3-6.
3×6.5+8.3×3.
7=(14.8-6.5)×6.
3+8.3×3.7=8.
3×6.3+8.3×3.
7=8.3×(6.3+3.
7)=8.3×10=83
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
933-157-43=933-(157+43)=933-200=733
4821-998=4821-1000+2=3823
32×125×25=4×8×125×25=(4×25)×(8×125)=100×1000=100000
1.8+18÷1.5-0.5×0.3=1.8+12-0.15=13.8-0.15=13.65
6.5×8+3.5×8-47=52+28-47=80-47=33
3.7x2.56-2.3=9.472-2.3=7.172
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5
4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48
2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8
3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7
3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1
0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000
1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2
1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9
61-(1.25+2.5×0.7)=61-3=58
[(10-0.8)+9.85]-2÷0.125=19.05-2÷0.125=19.05-16=3.05
408-12×24 = 408 - 288 = 120(46+28)×60 = 74 x 60 = 4440
42×50-17 = 2100- 17 = 2083
32+105÷5 = 32 + 21 = 53
420×(327-238) = 420 x 89 = 37380
(4121+2389)÷7 = 6510 ÷7 = 930
3.416÷(0.016×35) = 3.416 ÷0.56 = 6.1
0.8×[(10-6.76)÷1.2] = 0.8 x(3.24÷1.2) = 0.8 x 2.7 = 2.16
5.67×0.2-0.62 = 1.134-0.62 = 0.514
0.4×0.7×0.25 = 0.4 x 0.25 x 0.7 = 0.1 x 0.7 = 0.07
0.78+5.436+1 = 6.216 +1 = 7.216
30.8÷[14-(9.85+1.07)] = 30.8 ÷ (14 - 10.92) = 30.8÷3.08 = 10
[60-(9.5+28.9)]÷0.18 = (60- 38.4)÷0.18 = 21.6 ÷0.18 = 120
2.881÷0.43-0.24×3.5 = 6.7 - 0.24 x3.5 = 6.7 - 0.84 = 5.86
5.38+7.85-5.37= 13.23 - 5.37=7.86
7.2÷0.8-1.2×5=9 - 6 =3
6-1.19×3-0.43= 6-3.57 - 0.43 = 6- (3.57 + 0.43) = 6-4 = 2
6.5×(4.8-1.2×4)= 6.5 x(4.8 - 4.8 )=6.5 x0 = 0
0.68×1.9+0.32×1.9 = (0.68 + 0.32) x1.9 = 1 x 1.9 = 1.9
10.15-10.75×0.
4-5.7 = 10.15 - 4.
3 - 5.7 = 10.15 -(4.
3 + 5.7)=10.15 - 10 =0.
155.8×(3.87-0.
13)+4.2×3.74 = 5.
8 x 3.74 +4.2 x 3.
74 = (5.8 +4.2)x3.
74 = 10 x 3.74 = 37.4
20×[(2.44-1.8)÷0.
4+0.15] = 20x (0.64 ÷0.
4 +0.15)= 20x(1.6 +0.
15) = 20 x1.75 = 35
28-(3.4+1.25×2.4) = 28 - (3.4 + 3) = 28 - 6.4 = 21.6
2.55×7.1+2.45×7.1 = (2.55 + 2.45) x7.1 = 5 x7.1=35.5
0.8×〔15.5-(3.21+5.79)〕 = 0.8 x (15.5 - 9) = 0.8 x 6.5 = 5.2
(31.8+3.2×4)÷5 = (31.8 + 12.8)÷5 = 44.6÷5 = 8.92
31.5×4÷(6+3) = 126 ÷ 9 = 14
2÷2.5+2.5÷2 = 0.8 + 1.25 =2.05
194-64.8÷1.8×0.9 = 194 -36 x0.9 = 194-32.4 = 161.65180-705×6 = 5180 - 4230=950
24÷2.4-2.5×0.8 =10 -2=8
405×(3213-3189) =405x24 = 9720
125×(97-81) =125x16 =2000
6942+480÷3 = 6942 + 160 = 6782
20+80÷4-20 = 20 + 20 -20 = 40 -20 = 20
100÷(32-30)×0 = 100 ÷2 x0= 50 x0 = 0
25×4-12×5 = 100 - 60 = 40
70×〔(42-42)÷18〕=70 x (0÷18) = 70x0 = 0
75×65+75×35 = 75 x (65 +35) = 75x100 = 7500
6-1.6÷4= 6- 0.4 = 5.6
32.52-(6+9.728÷3.
2)×2.5 = 32.52 - (6+3.
04)x2.5 = 32.52 - 9.
02 x 2.5 = 32.52 -22.
55 = 9.97
(136+64)×(65-345÷23)= 200x(65-15) = 200x 50=10000
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