6年級數學簡便運算（36/37+35/37+3/37）*4/9=2*4/9=8/936/37*4/9+4/9*35/37+4/9*3/37=(36/37+35/37+3/37)*4/9=2*4/9=8/9{0}2，六年級的簡便運算9.9×7.6=(10-0.1)*7.6=76-0.76=75.240.99+9.9×9.9-900%=0.99*1+0.99*99-9=0.99*(1+99)-9=99-9=909.9×7.6=(10-0.1)×7.6=10×7.6-0.1×7.6=76-0.76=75.2...