问题
解答题
估算.
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答案
(1)4.83×0.52≈2.5;
(2)5.03×3.98≈20;
(3)4.01×8.9≈36;
(4)15.2÷2.9≈5;
(5)4.83÷0.21≈25;
(6)55.8÷3.9≈14.
估算.
|
(1)4.83×0.52≈2.5;
(2)5.03×3.98≈20;
(3)4.01×8.9≈36;
(4)15.2÷2.9≈5;
(5)4.83÷0.21≈25;
(6)55.8÷3.9≈14.