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）]=