问题 解答题
0×7=2.6+0.4=15÷0.01=21.2-21=
18a+2a=0.72÷0.8=0.4×0.4=0.12÷0.04=
0.8×100=2.5×4×0=
答案

0×7=0,2.6+0.4=3,15÷0.01=1500,21.2-21=0.2,
18a+2a=20a,0.72÷0.8=0.9,0.4×0.4=0.16,0.12÷0.04=3,
0.8×100=80,2.5×4×0=0.

单项选择题
问答题