试题 试卷
题型:填空题 题类:常考题 难易度:普通
数与代数8437 10
18×0.55-18×0.45=
9.5×2.8+95×0.72
21.21÷3.5﹣0.21÷3.5.
①47.86×11﹣47.86
②2.25×1.8+77.5×0.18
③7.28﹣(1.28+0.25)
④14÷〔 ﹣( + )〕
0.7×1.2○1.2×0.7
(0.8×0.5)×0.4○0.8×(0.5×0.4)
(2.4+3.6)×0.5○2.4×0.5+3.6×0.5
试题篮