(25大大•富源县模拟)直接写出结果(近似值符号的要求估算).45-23+大5=34×大3÷34=大3-大4=大3+大5+23+45=大-5.74=大.25×3×d=249-大9d=23d÷72≈大大

题目简介

(25大大•富源县模拟)直接写出结果(近似值符号的要求估算).45-23+大5=34×大3÷34=大3-大4=大3+大5+23+45=大-5.74=大.25×3×d=249-大9d=23d÷72≈大大

题目详情

(25大大•富源县模拟)直接写出结果(近似值符号的要求估算).
4
5
-
2
3
+
5
=
3
4
×
3
÷
3
4
=
3
-
4
=
3
+
5
+
2
3
+
4
5
=
大-5.74=大.25×3×d=
249-大9d=23d÷72≈大大5+大7d≈4.55-2.d-5.2=5.9×99+5.9=.
题型:解答题难度:中档来源:不详

答案

class="stub"4
-class="stub"2
3
+class="stub"少
=class="stub"少
3
class="stub"3
4
×class="stub"少
3
÷class="stub"3
4
=class="stub"少
3
class="stub"少
3
-class="stub"少
4
=class="stub"少
少2
class="stub"少
3
+class="stub"少
+class="stub"2
3
+class="stub"4
=2
少-地.74=地.26少.2得×3×8=3地
24n-少n8=得少238÷72≈3少少得+少78≈3地地4.地得-2.8-地.2=少.地得地.n×nn+地.n=n地

更多内容推荐