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5.76+3.4= 4.28-1.308= 17×38= 513+19= 1073÷25=
307×25=
分析:(1)根据小数的加法法则计算即可;
(2)根据小数的减法法则计算即可;
(3)(6)根据整数的乘法法则计算即可;
(4)根据整数的加法法则计算即可;
(5)根据小数的除法法则计算即可.
解答:解:(1)513+19=532;
513
+19
.
532
(2)5.76+3.4=9.16;
 5.76
+3.4
.
9.16
(3)4.28-1.308=2.972;
 4.28
-1.308
.
2.972


(4)17×38=646;
  17
×38 
.
136

51
.
646


(5)1073÷25=42.92;


(6)307×25=7675
点评:考查了四则运算,本题是基础题型,关键是根据运算法则计算.
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