问题 口算题
直接写得数:
4.2+5.08=7.2÷0.072=4.3﹣3=0.75÷1.5=3.6×0.7÷3.6×0.7
1.05﹣0.95=2.5×4=2.5×2.4=3.2﹣1.34﹣1.66=1÷1.25÷4=
12.8﹣0.28=1.25×0.8=8.4×5=5.6﹣5.6÷7=0.8+0.2﹣0.8+0.2=
答案

9.28,100,1.3,0.5,0.49,0.1,10,6,0.2,0.2,12.52,1,42

阅读理解与欣赏
单项选择题