请把题目写出来

　　提供200道验算题

　　加减乘除都要？

　　是的

　　1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-（3/2+4/5）8.7/8+（1/8+1/9）9.9×5/6+5/610.3/4×8/9-1/311.7×5/49+3/1412.6×（1/2+2/3）13.8×4/5+8×11/517×40＝680,100－63＝37,3.2＋1.68＝4.88,2.8×0.4＝1.1214－7.4＝6.6,1.92÷0.04＝48,0.32×500＝160,0.65＋4.35＝510－5.4＝4.6,4÷20＝0.2,3.5×200＝700,1.5－0.06＝1.440.75÷15＝0.05,0.4×0.8＝0.32,4×0.25＝1,0.36＋1.54＝21.01×99＝99.99,420÷35＝12,25×12＝300,135÷0.5＝2703/4+1/4=1,2+4/9=22/9,3-2/3=7/3,3/4-1/2=1/41/6+1/2-1/6=1/2,7.5-(2.5+3.8)=1.2,7/8+3/8=5/470÷7=20×10=320÷5≈54×70≈251÷4≈6300÷7=131÷4≈50×8=85-45=0÷5=280÷4=60×40=840-30=2700÷9=99×31≈3.1＋2.7=131÷4≈50×8=7.8-1.8=350÷5=630÷9=131÷6≈10×80=65-56=431÷6≈15×6=4.8-0.4=6.1＋0.7=91×18≈257÷4≈44÷4=20×40=210-30=34+28=63-63÷9=120÷3×够了吧？3/10+1/5=1/2,4/5-7/10=1/10,2-1/6-1/3=1.50.51÷17＝0.03,32.8＋19＝51.8,5.2÷1.3＝4,1.6×0.4＝0.644.9×0.7＝3.43,1÷5＝0.2,6÷12＝0.5,0.87－0.49＝0.38