五年级上册小数乘法简便计算练习

五年级上册小数乘法简便计算练习

  • 简介

    五年级上册小数乘法简便计算练习一 56.5×99+56.5 =56.5×(99+1) =56.5×100 =5650 8.8×398.8+8.8×12 =8.8×(39-1+12) =8.8×50 =440 1.8×9+0.18×10 =1.8×9+1.8×1 =1.8×(9+1) =1.8×10 =18 2.5×44 =2.5×(40+4) =2.5×40+2.5×4 =100+10 =110 0.96×101 =0.96×(100+1) =0.96×100+0.96×1 =96+0.96 =96.96 1.25×1.6×2.5 =1.25×(0.8×2)×2.5 =(1.25×0.8)×(2×2.5) =1×5 =5

五年级上册小数乘法简便计算练习