1樓:奇蹟與我有關
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)× 2.5 4.2.×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,差是多少?
4、2.1除以35的商,加上4.與0.45的積,和是多少?
5、一個數的3倍加上6與8的積,和是84,求這個數.
6、4.08除以0.6的商,再乘以5.,積是多少?
7、甲、乙兩數的積是25.2,甲數是56,乙數是多少?
8、把0.47平均分成7份,每份是多少?
9、1.25乘4.2減5,差是多少?
10、比4.7的1.5倍多3.05的數是多少?
0.43×0.28= 6.45×0.73= 4.6×0.6=
8.9×0.05= 3.08×0.43= 1.5×26.7=
5.22÷29= 18.72÷3.6= 13.95÷3.1=
乘法:5.6×2.9
3.77×1.8
0.02×96
5.22×0.3
9.99×0.02
4.67×0.9
5×2.44
1.666×6.1
9.432×0.002
5.6×6.5
4.88×2.9
5.61×4.3
8.9×2.4
5.5×55
9.77×0.02
1.384×5.1
8.78×83
2.6×61
0.059×0.2
4.268×1.7
57×5.7
9.46×2.85
17.8×6.4
1.5×4.9
2.5×0.88
5.555×5.2
2.22×3.33
7.658×85
36.02×0.3
56.78×8
除法:85.44÷16
42.84÷7
101.7÷9
67.5÷15
230.4÷6
21.24÷36
0.736÷23
43.5÷12
35.21÷7
39.6÷24
6.21÷0.03
210÷1.4
51.3÷0.27
91.2÷3.8
0.756÷0.18
0.66÷0.3
11.97÷1.5
69.6÷2.9
38.4÷0.8
15÷0.06
(迴圈小數的用簡便方法,除不盡保留2位小數):
2樓:匿名使用者
這裡有,隨便挑
3樓:匿名使用者
五年級上冊,小數乘法和小數除法:
0.5×4÷0.5×4=
72-3.6÷0.4=
9.5+0.5×2=
15.8-6.8+3.2=
5.4+4.6-2.8=
9-3.2-0.8=
(1.5+2.4)×0.2=
1.7+1.3×0.4=
3.6×2-3.6=
8.5÷0.5+0.6=
9.8×[2.5-(0.
95+1.3)]=5.04÷(1.
37+0.23+1.875×0.
64)=0.34×[(144×0.8)÷(2.
67+1.83)]=82.5與0.
4的積比7.5與4.95的差大多少?
3.6被0.23與3.37的和的2倍去除,商是多少?
6.25與3.75的和除這兩個數的差,商是多少?
2.82+5.3×2.82+2.82×3.79.782÷3.2=
53.73-17.49=
8.76+0.351=
42.4+7.6=
1.58+2.42=
7.8-5.6=
1.25×4=
7.8×0.5=
3.9+2.7=
0.24÷0.3=
2.5×4=
0.3÷10=
1.25×8=
5.7÷5.7=
0÷4.8=
77÷7.7=
12-3.8=
8.1-0.05=
0.24÷0.3=
0.2×0.5=
[(5.1-3.6)÷0.
8-1]×0.09(77.4-3.
096÷0.4)÷0.0330.
1÷[(6.07+2.53)×0.
7]0.94×2.5+0.
094×75=
98.4×98+98.4×2=
9.28×13-9.28×4+9.28=
97.2÷[(54.8+45.2)×(6-5.46)]=1.25×32=
0.56÷7=
1.2×5=
1.9÷0.19=
7.5×4=
0.36÷18=
1.4×0.6=
2.1×0.3÷2.1=
2.3-0÷8.1=
1.37-1.37÷1.37=
8.37×0.4+9.6×8.37
5.28+12.5×4.
12×0.8+4.72(10.
8-1.06-0.74)×2.
87+2.873.25×(30.
1-24.91÷4.7)[68.
8-(7.8+16.08×2.
5)]÷1.3差不多了吧。平等四邊形與梯形的計算,這兒不方便出圖。
小學五年級下冊,計算方面,主要是求因數與倍數及公因數、公倍數,長方體、正方體的表面積
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