小学五年级数学小数混合运算题

作者&投稿:睢辰 (若有异议请与网页底部的电邮联系)
五年级上数学―分数小数加减混合运算测试题~

x÷1.5-1.25=0.75 4x-1.3×6=2.6 20-9x=1.2×6.25 6x+12.8=15.8 150×2+3x=690 2x-20=4 3x+6=18 2(2.8+x)=10.4 (x-3)÷2=7.5 13.2x+9x=33.3 3x=x+100 x+4.8=7.2 6x+18=48 3(x+2.1)=10.5 12x-9x=8.7 13(x+5)=169 2x-97=34.2 3.4x-48=26.8 42x+25x=134 1.5(x+1.6)=3.6 2(x-3)=5.8 65x+7=42 9x+4×2.5=91 4.2x+2.5x=134 10.5x+6.5x=51 89x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 23.4=2x=56 4x-x=48.6 4.5x-x=28 X-5.7=2.15 155X-2X=18 3X+0.7=5 3.5×2=4.2+x 26×1.5=2x+10 0.5×16―16×0.2=4x 139.25-X=0.403 16.9÷X=0.3 23x=14x+14 x+14x=65 3-5x=80 1.8+6x=54 6.7x-60.3=6.7 9+4x=40 2x+8=16 23x-14x=14 x+7x=8 9x-3x=6 6x-8=4 5x+x=9 x-8=6x 4/5x=20 2x-6=12 7x+7=14 6x-6=0 5x+6=11 2x-8=10 1/2x-8=4 x-5/6=7 3x+7=28 3x-7=26 9x-x=16 24x+x=50 6/7x-8=4 3x-8=30 6x+6=12 3x-3=1 5x-3x=4 2x+16=19 5x+8=19 14-6x=8 15+6x=27 5-8x=4 7x+8=15 9-2x=1 4+5x=9 10-x=8 8x+9=17 9+6x=14 x+9x=4+7 2x+9=17 8-4x=6 6x-7=12 7x-9=8 x-56=1 8-7x=1 x-30=12 6x-21=21 6x-3=6 9x=18

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
9.5×101
0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18
4.8 ×(15 ÷ 2.4)

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.×1.75+1.8×1.75


2.5×1.25×0.32
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

1、直接写出得数.
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、用竖式计算
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=
(保留一位小数)
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≈
(保留两位小数)
2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用循环小数)
10.75÷12.5= (用乘法验算) 3.25×9.04= (用除法验算)
3、脱式计算(能简算的要简算)
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

怎么做?
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