能简算的用简便方法算．
9.28+1.82÷0.7（71.2﹣71.2×0.9）÷0.256.5×2.3+6.5×6.7+6.5
7.8÷0.25÷41.37×99+1.374.8×6.2﹣12.4．
怎样算简便就怎样算．
（1）4.32+5.43+6.68（2）15.17﹣6.8﹣3.2（3）34.82﹣（4.82+15.2）
（4）15.27+4.72﹣5.28（5）4.02﹣3.5+0.98（6）5.8﹣4.5+5.8﹣4.5．
能简算的要简算．
15.6﹣8.9+5.67.02+3.8+3.98+2.268.4﹣（4.7+8.4）
35.8﹣（40﹣44.2）100﹣13.72﹣36.8247.35+16.88﹣7.35．
怎样简便就怎样计算
0.75×4×0.25×49.6+9.6×9915.58÷8.2﹣0.722.8×3.6+1.4×2.86.3×10.1．
怎样简便就怎样算．
10.8﹣10.8÷3.6×1.512.5×2.5×8
84.7×0.35+0.65×84.72.43×99+2.43．