八点二四减二点四除以二点五乘以零点四

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八点二四减二点四除以二点五乘以零点四

8.24-2.4÷2.5×0.4
=8.24-0.96×0.4
=8.24-0.384
=7.856

8.24-2.4÷2.5×0.4
=8.24-0.96×0.4
=8.24-0.384
=7.856

0.96

(八点二四减二点四)除以二点五乘以零点四
=(8.24-2.4)÷2.5×0.4
=5.84×1
=5.84