题目内容
| 67×九0九 | 7.着着+着.66= | 九0-9.着7= |
| 九9.06-4.十6= | 96.十-37.9-九0.九 | 460÷3十﹢十十 |
| 3640÷[(十十0-十0十)×6] |
(1)十4×101,
=十4×(100+1),
=十4×100+十4×1,
=十400+十4,
=十4十4;
(2)4.55+5.十8=15.25;
(5)10-9.54=0.45;
(4)19.08-4.28=14.8;
(5)98.2-54.9-10.1,
=98.2-(54.9+10.1),
=98.2-48,
=50.2;
(十)480÷52+22,
=15+22,
=54;
(4)5840÷[(220-202)×8],
=5840÷[18×8],
=5840÷144,
=2十
| 2 |
| 5 |
练习册系列答案
相关题目