五年级下册数学混合运算简便算法练习

五年级下册数学混合运算简便算法练习89×99+89=

52×15－5×52=

55×102=

89×32+89×68=

125×64=

45×25+75×45=

23.5－2.8－7.2=

55×99=

58.65－(3.2+8.65)=

99×125×8=

3200÷25÷4=

250÷8×4=

44×12－88=

125×24=

0.134+2.66+0.866=

7.5＋4.9－6.5=

3.07－0.38－1.62=

1.29＋3.7＋

2.71＋6.3=

8－2.45－1.55=

7.6×0.8＋0.2×7.6=

0.85×199=

0.25×8.5×4=

1.28×8.6＋0.72×8.6=

12.5×0.96×0.8=

10.4－9.6×0.35=

0.8×（4.3×1.25）=

3.12＋3.12×99=

28.6×101－28.6=

14－7.32－2.68=

2.64＋8.67＋7.36＋11.33= 2.31×1.2×0.5=

（2.5－0.25）×0.4=

9.16×1.5－0.5×9.16=

3.6－3.6×0.5=