题目内容
【题目】
直接写出得数.
2306+400= 101﹣52= ×
= (0.25)2=
7.4﹣4= ×30%= 6÷17= 0.3+5=
1÷= 41.64÷6.9≈ 0.24÷0.8=
÷2=
【答案】2706,49,0.375,0.625,3.4,0.1,,5.3,4.5,6,0.3,0.125.
【解析】
试题分析:在计算41.64÷6.9时,把41.64看成42,6.9看成7解答,其余依据整数四则运算计算方法解答.
解:2306+400=2706; 101﹣52=49; ×
=0.375; (0.25)2=0.625;
7.4﹣4=3.4; ×30%=0.1; 6÷17=
; 0.3+5=5.3;
1÷=4.5; 41.64÷6.9≈6 0.24÷0.8=0.3;
÷2=0.125.
故答案依次为:2706,49,0.375,0.625,3.4,0.1,,5.3,4.5,6,0.3,0.125.
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