速算 450/125 3500/125 49500/900 525/25 10000/625 9000/225

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速算450/1253500/12549500/900525/2510000/6259000/225速算450/1253500/12549500/900525/2510000/6259000/225速算

速算 450/125 3500/125 49500/900 525/25 10000/625 9000/225
速算 450/125 3500/125 49500/900 525/25 10000/625 9000/225

速算 450/125 3500/125 49500/900 525/25 10000/625 9000/225
450/125=8*450/1000=3600/1000=3.6
3500/125=8*3500/1000=28000/1000=28
49500/900=495/9=55
525/25=4*525/100=2100/100=21
10000/625=40000/2500=160000/10000=16
9000/225 =4*9000/900=360