6.73-2.31+7.27-0.42这样简算:
6.73-2.31+7.27-0.42
=(6.73+7.27)-(2.31+0.42)
=14-2.73
=11.27
简便计算的话,先计算6.73,加上七点27=14,然后再计算2.31,加上零点42=2点七三
所以最后的结果就是14-2点73=11点二七
6.73-2.31+7.27-0.42简便计算
=6.73+7.27-(2.31+0.42)
=6.73+7.27-2.73
=4+7.27
=11.27
(一)6.73-2.31+7.27-0.42
=6.73+7.27-(2.31+0.42)
=14-2.73
=11.27
(二)6.73-2.31+7.27-0.42
=6.73-(2.31+0.42)+7.27
=6.73-2.73+7.27
=4+7.27
=11.27
6.73-2.31+7.27-0.42
=(6.73+7.27)-(2.31+0.42)
=14-2.73
=11.27