试题 试卷
题型：单选题 题类：常考题 难易度：普通
整数和小数及运算8550 10
①6.45-2.74+3.6
②45.36+(83.4-15.07)
③67.39-(12.67+17.39)
④4.5+3.8+15.5
⑤35.62-8.38-5.62
⑥2.06+5.42+3.94+2.58
试题篮
