1樓:賞宣澄白梅
1.前五個數相加,每個數位上有1,2,3,4,5,所以和為(1+2+3+4+5)
×1111=11110,再/5=2222
2.先轉化:258×852×1001-852×258×1001,相減兩式相等,數以結果等於零。
3.先把原式加上94,再減去94+94×1999-93×2000-94=94×2000-93×2000-94=2000-94=1906
2樓:黎孟漆才俊
4.02+5.4+0.98
5.17-1.8-3.2
13.75-(3.75+6.48)
3.68+7.56-2.68
7.85+2.34-0.85+4.66
35.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1
9.6+4.8-3.6
7.14-0.53-2.47
5.27+2.86-0.66+1.63
13.35-4.68+2.65
47.8-7.45+8.8
0.398+0.36+3.64
15.75+3.59-0.59+14.2542.5-(6.07+1.13)
73.8-1.64-13.8-5.36
66.86-8.66-1.34
0.25×16.2×4
3.72×3.5+6.28×3.5
36.8-3.9-6.1
25.48-(9.4-0.52)
4.8×7.8+78×0.52
3.6×102
6.4×0.25+3.6÷4
32+4.9-0.9
4.8-4.8×0.5
(1.25-0.125)×8
4.8×100.1
56.5×9.9+56.5
7.09×10.8-0.8×7.09
4.2÷3.5
320÷1.25÷8
18.76×9.9+18.76
3.52÷2.5÷0.4
4.78÷0.2+3.44
3.9-4.1+6.1-5.9
0.49÷1.4
1.25×2.5×32
3.6-0.6×2
3.65×10.1
3.6-3.6×0.8
15.2÷0.25÷4
5.6÷3.5
9.6÷0.8÷0.4
4.2×99+4.2
0.89×100.1
146.5-(23+46.5)
17.8÷(1.78×4)
5.83×2+4.27
(45.9-32.7)÷8÷0.125
9.7×99+9.7
4.36×12.5×8
15.6×13.1-15.6-15.6×2.10.65×101
27.5×3.7-7.5×3.7
8.54÷2.5÷0.4
3.83×4.56+3.83×5.44
小學五年級簡便計算題
3樓:娉婷嫻媛
簡便運算
3.2×
2.5×0.125
74.9÷ 0.25÷ 4
2.5×0.37× 0.04
3.68×7.8+2.2×3.68
3.8×0.6+62×0.06 4.7×9.9+0.4724.98—(1.36+1.98)
4.69×10.1
3.2×2.5×0.125
74.9÷ 0.25÷ 4
2.5×0.37× 0.04
3.68×7.8+2.2×3.68
3.8×0.6+62×0.06 4.7×9.9+0.4724.98—(1.36+1.98)
4.69×10.1
祝你學習進步,天天開心,採納吧!
4樓:亓韞卜樂蕊
1.(25×4)+(25×6)
2.5×7×10×6
=25×(4+6)
=(5×6)×(7×10)
=25×10
=30×70
=250
=210
5樓:卷展祝水丹
懶蛋!你要答案,我偏不給你了!
6樓:戎曼凡申從
再給你一點,網上多的是五年級數學簡便計算練習卷下面各題怎樣算簡便就怎樣算。
6.9+4.8+3.1
0.456+6.22+3.78
15.89+(6.75-5.89)
4.02+5.4+0.98
5.17-1.8-3.2
13.75-(3.75+6.48)
3.68+7.56-2.68
7.85+2.34-0.85+4.66
35.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1
9.6+4.8-3.6
7.14-0.53-2.47
5.27+2.86-0.66+1.63
13.35-4.68+2.65
73.8-1.64-13.8-5.36
47.8-7.45+8.8
0.398+0.36+3.64
15.75+3.59-0.59+14.2566.86-8.66-1.34
0.25×16.2×4
(1.25-0.125)×8
3.6×102
3.72×3.5+6.28×3.5
36.8-3.9-6.1
15.6×13.1-15.6-15.6×2.14.8×7.8+78×0.52
32+4.9-0.9
4.8×100.1
56.5×9.9+56.5
7.09×10.8-0.8×7.09
25.48-(9.4-0.52)
4.2÷3.5
320÷1.25÷8
18.76×9.9+18.76
3.52÷2.5÷0.4
3.9-4.1+6.1-5.9
5.6÷3.5
9.6÷0.8÷0.4
4.2×99+4.2
17.8÷(1.78×4)
0.49÷1.4
1.25×2.5×32
3.65×10.1
15.2÷0.25÷4
0.89×100.1
146.5-(23+46.5)
3.83×4.56+3.83×5.44
4.36×12.5×8
9.7×99+9.7
27.5×3.7-7.5×3.7
8.54÷2.5÷0.4
0.65×101
3.2×0.25×12.5
(45.9-32.7)÷8÷0.125
3.14×0.68+31.4×0.032
5.6÷1.25÷0.8÷2.5÷0.4
7.2×0.2+2.4×1.4
8.9×1.01
7.74×(2.8-1.3)+1.5×2.263.9×2.7+3.9×7.3
18-1.8÷0.125÷0.8
12.7×9.9+1.27
21×(9.3-3.7)-5.6
15.02-6.8-1.02
5.4×11-5.4
2.3×16+2.3×23+2.3
9.43-(6.28-1.57)
3.65×4.7-36.5×0.37
46×57+23×86
13.7×0.25-3.7÷4
2.22×9.9+6.66×6.7
101×0.87-0.91×87
10.7×16.1-15.1×10.7
0.79×199
4.8+8.63+5.2+0.37
5.93+0.19+2.81
1.76+0.195+3.24
2.35+1.713+0.287+7.651.57+0.245+7.43
6.02+3.6+1.98
0.134+2.66+0.866
1.27+3.9+0.73+16.1
7.5+4.9-6.5
3.07-0.38-1.62
1.29+3.7+2.71+6.3
8-2.45-1.55
3.25+1.79-0.59+1.75
23.4-0.8-13.4-7.2
0.32×403
3.2+0.36+4.8+1.64
1.23+3.4-0.23+6.6
0.25×36
12.7-(3.7+0.84)
36.54-1.76-4.54
0.25×0.73×4
7.6×0.8+0.2×7.6
0.85×199
0.25×8.5×4
1.28×8.6+0.72×8.6
12.5×0.96×0.8
10.4-9.6×0.35
0.8×(4.3×1.25)
3.12+3.12×99
28.6×101-28.6
0.86×15.7-0.86×14.7
2.4×102
2.31×1.2×0.5
14-7.32-2.68
2.64+8.67+7.36+11.33
70÷28
(2.5-0.25)×0.4
9.16×1.5-0.5×9.16
3.6-3.6×0.5
63.4÷2.5÷0.4
4.9÷1.4
3.9÷(1.3×5)
(7.7+1.54)÷0.7
2.5×2.4
2.7÷45
15÷(0.15×0.4)
0.35×1.25×2×0.8
32.4×0.9+0.1×32.4
15÷0.25
4.5÷1.8
4.2÷3.5
930÷0.6÷5
7樓:潛翮淳于雅容
ppt#256,1,分數四則-乘除法-計算題
1、直接寫出得數。
0.45×2.5=
0.8×1.25=
0.3×3.6=
0.3×0.3=
10×0.07=
0.3×1.4=
0.05×7=
0.92×0.4=
0.2×0.26=
0.14×4=
0.02×0.1=
1.2×0.3=0.2×0.4=
8.2+1.8=
100-35.22=
2.3×4=
2.5×0.4=
2.4×5=
0.22×4=
3.25×0=
0.9-0.52=
3.99×1=
0×3.52=
12.5×8=
8÷10
=10-1.8-7.2=
0.43+3.57=
2.5×4×12=
0.9×0.8=
7.5x-3x
=a+3a+7a==
1.05×100=
1÷0.5=
0.96÷3=
1.47÷0.7=
5.4÷6=
0.16.5×10=
0.56×100=
3.78×100=
4÷0.8
=3.215×100=
0.8×10=
4.08×100=
1.1×0.2
=0.6×0.8
=3×0.9=
2.5×0.4=
3.6×0.4=
12.5×8=
50×0.04=
80×0.3
=1.1×9=
0.16×5
=1.78+2.2
=9.6÷0.6
=1.2×0.5-0.4
=0.7÷0.01
=2.5×0.4
=12-3.9=
1.25×8÷1.25
=6.6÷0.66
=5.37×0+4.63
=3.9+2.03=
4.2÷3.5=
1.6+2.4×0.3
=2.14-0.9=
27+456+73=
0.3×0.3=
7.2+2.8=
0.9÷0.01=
12÷0.3=
2.87÷0.7=
13÷4=
0.96÷0.3=
1.5×0.4=
7÷0.25=
2.5×0.7×0.8=
8-2.5=
16÷1.6=
5.6×1.01=
8×(2.5+0.25)=
0.36+0.64=
64.32÷16=
4.2÷0.1=
72.8÷0.8=
8.4÷4.2=
13.8+9.9=
2.4×2.5=
0.05×0.8=
2.56-0.37=
1.25×0.8×0.5=
12×2.5=
1.23×3=
3.2÷1.6=
3.5+3.5×3=
19.6÷2=
8.8÷2.2=
0.75×4=
(1.5+0.25)×4=
0.5×0.8=
8.4×0.2=
1.6×0.2=
7.2×0.3=
2.8×0.3=
0.9÷0.15=
1.8×0.4=
5.5÷0.55=
0.08×100=
2.2÷0.11=
5.46+4.54=
12.5×0.8=
0.35×0.3=
1.4×5=
2.8×4=
19.6÷4=
22.5×4=
2、用豎式計算
0.396÷1.2=
0.756÷0.36=
15.6×13=
0.18×15=
0.025×14=
3.06×36=
0.04×0.12=
3.84×2.6≈
5.76×3=
(保留一位小數)
7.15×22
90.75÷3.3
3.68×0.25
16.9÷0.13
1.55÷3.9
3.7×0.016
13.76×0.8=
5.2×0.6
8.4×1.3
6.4×0.5
4.48×0.4
5.25×5
35.4×4.2
0.042×0.54
0.76×0.32
0.25×0.046
2.52×3.4
1.08×25
0.12×0.5×0.16=
4.8×0.25=
0.125×1.4≈
(保留兩位小數)
2.5÷0.7=
(保留三位小數)
10.1÷3.3=
(商用迴圈小數)
10.75÷12.5=
(用乘法驗算)
3.25×9.04=
(用除法驗算)
3、脫式計算(能簡算的要簡算)
2.5×7.1×4
16.12×99+16.12
5.2×0.9+0.9
7.28×99+7.28
4.3×50×0.2
64-2.64×0.5
26×15.7+15.7×24
(2.275
+0.625)×0.28
3.94+34.3×0.2
1.2×(9.6÷2.4)÷4.8
8.9×1.1×4.7
2.7×5.4×3.9
3.6×9.85-5.46
8.05×3.4+7.6
6.58×4.5×0.9
2.8×0.5+1.58
32+4.9-0.9
4.8-4.8×0.5
(1.25-0.125)×8
4.8×100.1
56.5×99+56.5
7.09×10.8-0.8×7.09
4.85
+0.35
÷1.4
8.7×
17.4
-8.7
×7.4
12.5×0.4×2.5×8
0.87×3.16+4.64
9.5×101
0.68
÷(5.2
-3.5)×
1.25
40.5
÷0.81
×0.18
4.8×(15
÷2.4)
2.13.×0.×8257
6.81+6.81×99
0.25×185×40
4.4×0.8-3.4×0.8
(9.37+9.37+9.37+9.37)×2.54.2.×1.+1.×1.75
2.37×6.3+2.37×3.7
2.5×1.25×0.32
3.8×10.1
2.5×(3.8×0.04)
7.69×101
3.8×10.1
0.25×39+0.25
0.125×72
46×0.33+54×0.33
(8×5.27)
×1.25
6.81+6.81×99
0.25×185×40
6.8×0.75÷0.5
3.75÷0.125–2.75
1.53+23.4÷7.2
9.5×99
13.5×0.98
12.5×8.8
二、解方程:
54-x=24
7x=49
126÷x=42
13+a=28.5
2.4x=26.4
7.5x-3x=18
5×1.3-2x=5.5
24x+6x=63.6
5.6x+4.4x=5.2
三、列式計算
1、20減去0.8的差除以4個0.3的和,商是多少?
2、一個數的2.6倍加上9,和是35,求這個數。(用方程解)3、1.2與4的積,減去6.除以5的商,
五年級簡便運算,簡便計算大全五年級
文庫精選 內容來自使用者 劉清華 五年級簡便運算 加法交換律a b b a例 7 8 8 7 加法結合律 a b c a b c 例 20 55 45 20 55 45 乘法交換律a b b a例 5 6 6 5 乘法結合律a b c a b c 例 6 25 4 6 25 4 乘法分配律 a b ...
五年級簡便計算60道,20道簡便計算五年級的
寂臨丶 2.73 0.89 1.27 4.37 0.28 1.63 5.7210 0.432 2.568 9.3 5.26 2.74 13.4 3.4 5.2 14.9 5.2 4.9 18.32 5.47 4.32 17.29 5.28 6.29 25 6.8 0.04 0.25 32 0.125...
小學五年級作文描寫春天的,小學五年級500字作文描寫春天的
描寫春天的作文 春 你來了 春啊 你終於來了,和你的冬妹妹交替了.當我們在過新年時,你的倩影已經不知不覺地出現,把你的妹妹給叫了回去,原本大地落葉繽紛,寒風刺骨,這些景像和感覺也都因為你的出現而消失的無影無蹤了.春啊 當你到來時,萬物因為你的溫暖而活動了起來.蛇已不在洞裡冬眠,狗也不再懶洋洋的,河裡...