Question

【题目】口算．

2.6÷0.2=________ 6.4÷0.8=________

2.4×0.2=________ 7.2×0.01=________

0.32÷0.04=________ 7.9－6.9=________

4.71＋0.9=________ 1.5×0.4=________

Answer 1

【答案】13 8 0.48 0.072 8 1 5.61 0.6

【解析】

略