五年级数学上册《易错简便计算》练习题汇总!

五年级数学上册《易错简便计算》练习题汇总!


简介:
48.7+5.6+11.3 43.21+98.76+56.79+1.24 =48.7+11.3+5.6 =(43.21+56.79)+(98.76+1.24) =60+5.6 =100+100 =65.6 =200 5.48+3.99 6.3+15.4+0.09+3.7+14.6 =5.48+(4-0.01) =(6.3+3.7)+(14.6+15.4)+0.09 =5.48+4-0.01 =40+0.09 =9.47 =40.09