四年级下册小数加减混合运算题 

25.6-(0.23+5.6)-1.77         13.75-(4.75+6.48)          7.83+2.34-0.83+6.66      3.82+2.9+0.18+9.1
25.48-((9.4-0.52)          35.6-1.8-15.6-7.2      5.93+0.19+2.81           7.3+2.7-7.3+2.7  
48.4+2.78+51.6-0.78       23.4+0.8-13.4-7.2         4.8+8.63+5.2+0.37       3.07-0.38-1.62 

1.27+3.9+0.73+15.1        5.84-1.8-3.2          132.44-(58.74+19.44)        7.5+4.8-6.5  

3.25+2.76+1.75            13.75-(3.75+6.48)        7.14-0.53-2.47            13.45-4.68+2.55

 47.8-7.45+8.2     36.8-4.5+6.98               49.8-9.6+8.8                  15.2-6.8-3.45
1.76+0.65+3.24            0.134+2.66+0.8               7.5+4.9-6.3        3.45+1.79+0.65 

4.85+8.63+0.37              1.76+3.44+0.35         36.54-1.76-8.66               8-2.45-1.02

 23.4+3.4-0.23      6.02+3.6+1.98                 3.07-0.38-1.62           7.5+4.9-6.5 

36.8-3.9-6.88              3.285+1.79+0.59             23.4-0.8+13.4            32+4.9-8.6

1.29+3.7+2.71             5.93+0.49+2.06              9-2.45-1.65               21+0.56+11.3  

用简便方法计算。 
(1)27.3+73.2+72.7         (2) 585+189+215       (3) 5.85－1.75－0.25   (4)768－274－126 
(5) 5.85+1.89+2.15        (6)24.8+14.6+15.4     (7)42.5－22.17－7.83    

 (8)3.8+1.37+6.2+12.63        17.05－(2.05－6.4)         3.73+5.28+4.27+4.72