请展开查看知识点列表
①159+445=
②464-203=
③*304-198=
④830-257=
⑤968-779=
⑥*645+79=
4.6÷0.024.6÷0.2 4.48×0.464.48×0.406
3.2÷0.13.2×10 6.56÷4.21
5.25×0.755.25 35.4×44.235.3×44.3
79.4×0.98= 77.812÷0.98=
7.94×0.98= ÷0.794=9.8
30×=180 150×= 1800 ×12=540
进入组卷