180÷60= 12×25= 0÷90= 4×5÷4×5= 0.25×4+4= 131+218+269+182= 25×6×4= 420÷35= 36

180÷60=3 12×25=300 0÷90=0 4×5÷4×5=25 0.25×4+4=5 131+218+269+182=800 25×6×4=600 420÷35=12 36×5×4=720 120÷5÷3=8 198-75-25=98 120-20÷5=116 59亿-58亿=1亿 （1.3+3.5）÷0.6=8 75÷2.5=30 0.45÷1.25÷8=0.045 2.5×7.6×4=76 97.6÷0.02=4880 8.8-（0.25+0.4）=8.15 0.25+87+0.75=88 0.8-0.35×2=0.1 0.1÷0.01×0.1=1 9.9+9.9×99=990 2.7×3.6+6.4×2.7=27 720÷8÷9=10 2.9+5.7+2.1=10.7 2-0.16-0.64=1.2 16.7+84.5-16.7=84.5 6.8-（3.8+2.9）=0.1 9×1.3+9×6.7=72 5.5-5.25+5.2=5.45 0.8×25-10=10 42.8×25×4=4280 7.2+2.8=10 0.9÷0.01=90 3.5+7.6=11.1 3×0.2×0.5=0.3 0.96÷0.3=3.2 1.5×0.4=0.6 7÷0.25=28 2.5×0.7×0.8=1.4 8-2.5=5.5 16÷1.6=10 5.6×1.01=5.656 8×（2.5+0.25）=22 0.36+0.64=1 64.32÷16=4.02 72.8÷0.8=91 8.4×0.2+1.6×0.2=2 8.4÷4.2=2 0.05×0.8=0.04 2.56-0.37=2.19 1.23×3=3.69 25×0.8×0.5=10 12×2.5=30 3.2÷1.6=2 3.5+3.5×3=14 19.6÷2=9.8 8.8÷2.2=4 3.9+2.03=5.93 7.2×0.3+2.8×0.3=3 13.8+9.9=23.7 2.4×2.5=6 0.75×4=3 （1.5+0.25）×4=7 4.2÷0.1=42 4.2÷3.5=1.2 2.14-0.9=1.24 27+456+73=556 12÷0.3=40 2.87÷0.7=4.1 13÷4=3.25 24÷4+56÷4=20 2.1×0.3÷2.1=0.3 2.3-0÷8.1=2.3 1.37-1.37÷1.37=0.37 4.4÷（5×0.2）=4.4 7×1.3=9.1 0.96÷0.06=16 0.36×0.3=0.108 0.35÷0.7=0.5 13.65÷13=1.05 4×0.8×0.25×1.25=1 13+0.7÷0.7=14 7.05×23.7+7.05×76.3=705 0.125×3.2×2.5=1 （12+23.1÷0.75）×0.4-5.12=12 728+199=927 637-201=436 16×25=400 1.6×[（12-7.2）÷（0.84÷2.1）]=19.2