题目内容

3+ $数学公式$ ÷ $数学公式$ +3=1________．

错误
分析：在3+ $\text{[math]}$ $\text{[math]}$ +3中，我们先计算除法，然后再计算加法，即按照四则混合运算的顺序进行计算即可．
解答：3+ $\text{[math]}$ $\text{[math]}$ ，
=3+1+3，
=7；
故答案为：错误．
点评：本题按照四则混合运算的顺序进行计算即可．

0.36÷9=	3.97-2.45=	16×25=	5.2+3.8=
8.282÷8.2=	10-0.87=	4.3+1.8=	18.9-9.8=
0.8÷0.1=	0.3+0.36=	1.14×0.2=	7.8÷3=
0.8×15=	0.125×8=	4-1.08=	9×1.8=
1.2×8=	7.82+1.18=	30.5÷2=	1.8×0.2=
0.75÷30=	0.25×3=	4.8+1.2=	0.5×48=
0.7×7=	1.1×9=	25×0.8=	3.2×5=
3×1.2=	2.04×4=	0.72+2.8=	0×3.97=
0.13×80=	18×30=	50×4.1=	0.125×2=
6×0.75=	1.01-0.89=	9.767×0=	0.02×0.3=
3.9÷5=	1÷0.125=	70÷5=	0÷9.126=
0.7²=	16.5÷0.15=	7÷1.4=	1.21÷11=
0.84÷0.42=	0.7×0.9=	0.3×400=	5.1÷0.3=
8.3+1.7=	4.9÷0.7=	0.3+0.3+0.3=	0.81÷0.9×5=
（0.9+8.1）×5=	0.3²=	9.3÷（4.2-1.1）=	1.7×0.6÷1.7=

3.2×0.2=	1.4×0.4=	3.3÷3=	1.2÷0.3=	0.56÷8=
2.5×0.4=	1.5×2=	0.7×7=	7.3+0.3=	1.23×3=
0.53-0.3=	1.8×0.5=	0.9×0.01=	0.23×3=	1.6÷0.04=
2-1.2=	7.8÷6=	8.4÷0.21=	8.4÷0.7=	1.23×3=
5.6+3.6=	9-2.35=	0.56÷8=	7.3+2.7=	4.8÷1.2=
5.6÷0.4=	4.5÷0.9=	8.1×2=	90÷3=	7.2÷0.9=
1.23+3=	5.6+1.23=	4.5×2=	5.6÷1.4=	6.6÷1.1=
2.1÷3=	0.6×0.5=	3.23×2=	1.8÷3=	7.2÷6=
12.5÷0.1=	0.32÷0.8=	1.6+3.7=	0.45×0.2=	4.8÷0.08=
0.36÷1.8=	0.4×0.5=	8.4+5.6=	8.4÷2.1=	1.8×0.4=
0.01×8=	7.31×100=	0.09×6=	0.8×0.6=	3+2.3=
1.25×8=	3÷5=	2.3+2.3=	6.23+3.6=	9.3÷3=
4.8÷0.8=	7.5-4.5=	5.7+4.3=	0.75÷15=	1÷0.25=
1.2×60=	6÷0.2=	0.21×4=	0.25×4×9=	2.33×1.2=
0.62÷0.62-1=	5+3.2÷0.8=	7.5÷2.5×0=	3.9×0.01=	0.001+10.099=
3-0.98=	6×0.25=	0.63÷0.9=	8.95÷0.895=

180÷60=	12×25=	0÷90=
4×5÷4×5=	0.25×4+4=	131+218+269+182=
25×6×4=	420÷35=	36×5×4=
120÷5÷3=	198-75-25=	120-20÷5=
59亿-58亿=	（1.3+3.5）÷0.6=	75÷2.5=
0.45÷1.25÷8=	2.5×7.6×4=	97.6÷0.02=
8.8-（0.25+0.4）=	0.25+87+0.75=	0.8-0.35×2=
0.1÷0.01×0.1=	9.9+9.9×99=	2.7×3.6+6.4×2.7=
720÷8÷9=	2.9+5.7+2.1=	2-0.16-0.64=
16.7+84.5-16.7=	6.8-（3.8+2.9）=	9×1.3+9×6.7=
5.5-5.25+5.2=	0.8×25-10=	42.8×25×4=
7.2+2.8=	0.9÷0.01=	3.5+7.6=
3×0.2×0.5=	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=	72.8÷0.8=
8.4×0.2+1.6×0.2=	8.4÷4.2=	0.05×0.8=
2.56-0.37=	1.23×3=	25×0.8×0.5=
12×2.5=	3.2÷1.6=	3.5+3.5×3=
19.6÷2=	8.8÷2.2=	3.9+2.03=
7.2×0.3+2.8×0.3=	13.8+9.9=	2.4×2.5=
0.75×4=	（1.5+0.25）×4=	4.2÷0.1=
4.2÷3.5=	2.14-0.9=	27+456+73=
12÷0.3=	2.87÷0.7=	13÷4=
24÷4+56÷4=	2.1×0.3÷2.1=	2.3-0÷8.1=
1.37-1.37÷1.37=	4.4÷（5×0.2）=	7×1.3=
0.96÷0.06=	0.36×0.3=	0.35÷0.7=
13.65÷13=	4×0.8×0.25×1.25=	13+0.7÷0.7=
7.05×23.7+7.05×76.3=	0.125×3.2×2.5=	（12+23.1÷0.75）×0.4-5.12=
728+199=	637-201=	16×25=
1.6×[（12-7.2）÷（0.84÷2.1）]=

①3　3　3　3=1	②3　3　3　3=2
③3　3　3　3=3	④3　3　3　3=4
⑤3　3　3　3=5	⑥3　3　3　3=6
⑦3　3　3　3=7	⑧3　3　3　3=8
⑨3　3　3　3=9	⑩3　3　3　3=10

3+÷+3=1________．

试题分类

3+ $数学公式$ ÷ $数学公式$ +3=1________．