题目内容
【题目】口算:
1.6×5 910﹣530 12.6÷3 3.48+6.52
39÷13 3÷0.01
+
+![]()
×
1.02﹣0.42 1÷
÷
.
【答案】8,380,4.2,10,3,300,1.4,
,0.5,0.6,1.8,
.
【解析】
试题分析:(1)(3)(4)(6)(10)依据小数四则运算计算方法解答;
(2)(5)依据整数四则运算计算方法解答;
(7)(8)(9)(11)(12)依据分数四则运算计算方法解答.
解:1.6×5=8; 910﹣530=380; 12.6÷3=4.2; 3.48+6.52=10;
39÷13=3; 3÷0.01=300;
+
=1.4;
+
=
;
×
=0.5; 1.02﹣0.42=0.6; 1÷
=1.8;
÷
=
.
故答案依次为:8,380,4.2,10,3,300,1.4,
,0.5,0.6,1.8,
.
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