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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）]=

4.7+2.3=	4.5×2=	6.9-2.5=	7.2×0.8=
6×3.4=	0.62-0.32=	1.4×0.5=	0.75×100=
0.02×0.5=	3.6÷0.3=	6.3÷7=	5.6÷100=
0.75÷0.25=	0.125×8=	4.8÷0.3=	0.96÷2=
0.56÷28=	0.36÷0.4=	0.64÷0.8=	0.72÷3.6=
3.6÷24=	0.8×1.1=	7.2+12.8=	46.7-3.8=
12.8÷4=	5.2÷13=	12.5÷5=	1.64÷41=
10÷20=	24÷15=	8.65×10=	0.35×0.6=
3.08×0.01=	4.95×1000=	6.9×0.1=	0.4×0.5=
2.4÷0.8=	10.8÷9=	9.6÷0.8=	0.108÷2=
4.95÷0.9=	9.65÷0.1=	0.325×100=	2.5×8=
0.56÷0.7=	0.125×4=	3.28×0.1=	3.9÷0.13=
7.2×0.1=	0.01×0.1=	0.25×0.4=	1.6÷0.8=
1÷2.5=	1.25×0.8=	3.2÷0.04=	0÷1.7=
0.22×102=	9.6÷0.8=	5×0.24=	4.5-0.05=
3.9÷0.13	16.5÷0.5=	5×0.12=	24×0.5=
4.8×0.5=	2.8+4.2=	0.84÷2.1=	5÷0.25=
7.8÷0.01=	5.4÷0.6=	3.2÷5=	7×0.62=
0.56÷0.8=	7.4-2.8=	0.18÷0.2=	0.16÷8=
4.5×0.02=	8+7.2=	1.2×30=	0.012×0.2=
7.3×0.3=	9÷6=	3.6÷0.12=	7.8÷0.6=
2÷5=	4.5+5=	0.3÷0.6=	0.96÷0.2=
10.5×0.4=	7.3+0.27=	8×0.125=	0.54÷0.6=
0.61+0.39=	0.56÷28=	10÷20=	4.08÷0.4=
11-9.4=	0.8×0.11=	0.72+12.8=	5.6÷0.01=
2.3×100=	0.75×100=	0.108÷2=	10.8÷9=
0.7÷0.8=	16-5.07=	4.2×0.4=	0.72×6=
12÷0.5=	5.2×0.4=	12.2÷0.2=	5.6÷100=
0.41+3.7=	0.02×0.5=	7.2-0.8=	1.4×0.5=
84÷0.21=	0.75÷0.25=	2.5×16=	0.108÷2=
1.75+32.5=	16-5.07=	5.2÷13=	1.64÷41=
1.02×0.2=	0.26×0.3=	8.4×0.02=	1.29×6=
0.8×0.05=	12.6÷0.03=	8.71÷0.1=	21÷0.21=
0.8×0.13=	0.34÷17=	8.08÷0.4=	0.5×2.2=
1.24÷4=	3.27+0.63=	5.02×0.3=	0.3×0.5=
6.4÷4=	7.2÷1.8=	0.7÷0.35=	0.72÷1.44=
0.48÷0.04=	1.25÷2.5=	5.5+55=	16.8÷8=
0.54+2.2=	3.5-0.05=	2÷0.02=	0.25×40=
1.5×0.6=	0.32÷0.8=	12.25÷0.5=	73.5×0.1=
46.5+52.5=	0.45×102=	1.25×88=	2.64+3.85+1.54=
8×1.25=	5.6÷3.5=	4.2÷0.7÷6=	0.4×8.6×25=
0.27÷0.3=	2.5×101=	0.65×101-0.65=	2.6×7÷2.6×7=

8×6=	72+19=	6÷1=	180÷180=
48÷8=	45+37=	4×7=	550-550=
500-370=	25+75=	55+88=	3200-700=
69+24=	350-80=	77+66=	790+130=
87-29=	800-330=	99+11=	257-257=
65+35=	69÷8=	92+46=	46÷7=
50÷6=	0÷8=	39÷9=	93-39=
86-68=	1000-300=	29+63=	54-45=
7×7=	75÷9=	81÷9=	800-260=
86×0=	470-80=	55÷7=	38+52=
250+630=	77+33=	380+70=	500-490=
66÷7=	6÷6=	95-68=	0×9=
27÷9=	910-320=	73+37=	0÷9=
680+220=	550+260=	25÷4=	0+9=
57-38=	8×9=	47÷8=	126-126=
42+42÷7=	64÷8+70=	500+320+80=	60+60+60=
8÷8×8=	1300+700-1000=	30-30÷6=	165-50-50=
273+35+65=	120+395+80=	90÷90×90=	4000-3500+500=
100-23-77=	165+165-165=	65-（40-25）=	28÷7×6=
800+683-600=	45+36-45=	5×8÷5=	（27+36）÷7=
650-599+250=	58+97-58=	989-231+231=	53-（48+5）=
7×8×0×9+9×8=	1+2+3+4+5+6+7+8+9=	81-9-9-9-9-9-9=	15+15+15+15+15+15=
89+89-89+89-89=	64-5×8-2×8=	147+148+149+150+151+152+53=	1+2+3+4+5+6…+94+95+96+97+98+99=

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