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口算速算.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=3.6×0.4=

题目详情
口算速算.
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= 3.6×0.4=
▼优质解答
答案和解析
2.6÷0.2=13 6.4÷0.8=8 2.4÷0.2=12
7.2×0.01=0.072 0.32÷0.04=8 7.9-6.9=1
4.71+0.9=5.61 1.5×0.4=0.6 3.6×0.4=1.44.