问题标题:
四则运算练习题答案
问题描述:
四则运算练习题答案
李岳霖回答:
题还够吧!
9405-2940÷28×21
920-1680÷40÷7
690+47×52-398
148+3328÷64-75
360×24÷32+730
2100-94+48×54
51+(2304-2042)×23
4215+(4361-716)÷81
(247+18)×27÷25
36-720÷(360÷18)
1080÷(63-54)×80
(528+912)×5-6178
8528÷41×38-904
264+318-8280÷69
(174+209)×26-9000
814-(278+322)÷15
1406+735×9÷45
3168-7828÷38+504
796-5040÷(630÷7)
285+(3000-372)÷36
1+5/6-19/12
3x(-9)+7x(-9
(-54)x1/6x(-1/3)
1.18.1+(3-0.299÷0.23)×1
2.(6.8-6.8×0.55)÷8.5
3.0.12×4.8÷0.12×4.8
4.(3.2×1.5+2.5)÷1.6(2)3.2×(1.5+2.5)÷1.6
5.6-1.6÷4=5.38+7.85-5.37=
6.7.2÷0.8-1.2×5=6-1.19×3-0.43=
7.6.5×(4.8-1.2×4)=0.68×1.9+0.32×1.9
8.10.15-10.75×0.4-5.7
9.5.8×(3.87-0.13)+4.2×3.74
10.32.52-(6+9.728÷3.2)×2.5
11.[(7.1-5.6)×0.9-1.15]÷2.5
12.5.4÷[2.6×(3.7-2.9)+0.62]
13.12×6÷(12-7.2)-6
14.12×6÷7.2-6
15.33.02-(148.4-90.85)÷2.5
7×(5/21+9/714)
50.32.52-(6+9.728÷3.2)×2.50.45×2.5=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)
7.15×2290.75÷3.33.68×0.25
16.9÷0.131.55÷3.93.7×0.016
13.76×0.8=5.2×0.68.4×1.3
6.4×0.54.48×0.45.25×5
35.4×4.20.042×0.540.76×0.32
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+3/7×5/9
7.5/2-(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+8×11/5
14.31×5/6–5/6
15.9/7-(2/7–10/21)
16.5/9
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