题目内容

【题目】

直接写出得数.

236+298= = = 0.15+20.2=

10÷= 6.3÷0.07= 0.25÷2.5%= 6﹣0.75=

51×= 3.7×0.001= = =

【答案】534,,4.5,20.35,12,90,10,5.25,34,0.0037,

【解析】

试题分析:(1)依据整数加法性质化为236+300﹣2解答,

(2)(3)(5)(7)(9)(11)(12)依据分数四则运算计算方法解答,

(4)(6)(8)(10)依据小数四则运算计算方法解答.

解:236+298=534; ==4.5; 0.15+20.2=20.35;

10÷=12; 6.3÷0.07=90; 0.25÷2.5%=10; 6﹣0.75=5.25;

51×=34; 3.7×0.001=0.0037; =2=1

故答案为:534,,4.5,20.35,12,90,10,5.25,34,0.0037,

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