
脱式计算.4÷0.8-0.8÷4 &...
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(1)4÷0.8-0.8÷4
=5-0.2
=4.8
(2)1.84-0.37÷2+3.9
=1.84-0.185+3.9
=1.655+3.9
=5.555
(3)79÷0.125÷8
=79÷(0.125×8)
=79÷1
=79
=5-0.2
=4.8
(2)1.84-0.37÷2+3.9
=1.84-0.185+3.9
=1.655+3.9
=5.555
(3)79÷0.125÷8
=79÷(0.125×8)
=79÷1
=79
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