125*64*25·········································200000

　　125*88·············································11000

　　25*44·················································1100

　　25*1+25*3·············································100

　　75*16······················································1200

　　4004*25······················································100100

　　125*798·······················································99500

　　625/25······························································25

　　125*91/25·························································455

　　5*7*9*11*13··························································45045

　　3333*2222/6666··············································1111

　　871*364/182····················································1752

　　56000/（14000/16）············································64

　　301*467·····························································140567

　　981+5*9810+49*981········································98100

　　184*17+184*83··············································18400

　　496*837-496*637·············································99200

　　（350+165）/5·················································103

　　125*（10+8）··················································2250

　　（20-4）*25·························································400

　　如果要正确步骤可以再问我要.

　　正确步骤可以要吗？

　　可以，明天给好不好？

　　行

　　125*64*25=125*8*（25*8）=1000*200=200000125*88=125*8*11=1000*11=1100025*44=25*4*11=100*11=110025*1+25*3=（3+1）*25=4*25=10075*16=25*4*3*4=100*3*4=12004004*25=25*4*1001=100*1001=100100125*798=125*（800-2）=125*800-125*2=100000-500=99500625/25=（625/5）/（25/5）=125/5=25125*91/25=125/25*91=5*91=4553333*2222/6666=2222*（3333/6666）=2222*0.5=1111871*364/182=871*（364/182）=871*2=175256000/（14000/16）=56000/14000*16=4*16=64301*467=（300+1）*467=300*467+467=140100+467=140567981+5*9810+49*981=981+50*981+49*981=（1+50+49）*981=100*981=98100184*17+184*83=184*（17+83）*18400496*837-496*637=496*（837-637）=496*200=99200（350+165）/5=350/5+165/5=70+33=103125*（10+8）=125*10+125*8=1250+1000=2250（20-4）*25=20*25-4*25=500-100=400有一题实在不会，重出一道题：9999*7778+3333*6666=9999*7778+9999*2222=9999*（7778+2222）=9999*10000=99990000