口算.6.4÷0.8=7.5-4.5=5.7+4.3=0.52=1÷0.25=48.5÷4.85=0.36×2=2.5×4÷2.5×4=-数学

题目简介

口算.6.4÷0.8=7.5-4.5=5.7+4.3=0.52=1÷0.25=48.5÷4.85=0.36×2=2.5×4÷2.5×4=-数学

题目详情

口算.
6.4÷0.8=7.5-4.5=5.7+4.3=0.52=
1÷0.25=48.5÷4.85=0.36×2=2.5×4÷2.5×4=
题型:解答题难度:中档来源:不详

答案

(1)6.4÷0.8=8(2)7.5-4.5=3(3)5.7+4.3=10(4)0.52=0.25
(5)1÷0.25=4(6)48.5÷4.85=10(7)0.36×2=0.72(8)2.5×4÷2.5×4=16

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