试题 试卷
题型:解答题 题类:常考题 难易度:普通
华师大版数学八年级下册16.4.2科学记数法同步练习
0.0001,0.00013,0.000000204,﹣0.00000000406.
①0.00007; ②﹣0.004025;
③153.7; ④857000000
试题篮