1-0 = 4 + 0 = 0 +5 = 4 + 1 = 5-5 = 0 + 0 = 1 + 2 = 2 + 2 = 2 + 3 = 1 + 1 = 5-3 =——青夏教育精英家教网——

摘要：1-0 = 4 + 0 = 0 +5 = 4 + 1 = 5-5 = 0 + 0 = 1 + 2 = 2 + 2 = 2 + 3 = 1 + 1 = 5-3 = 5-2 = 3 + 2 = 5 + 0 = 4-2= 1 + 4 = 5-4 = 3-3 = 3 + 1 = 4-3 =

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(1)5－□=1	(2)5－□=4	(3)4－□=2	(4)3－□=2
(5)4－□=1	(6)5－□=2	(7)4－□=0	(8)2－□=0

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(1)5－□=1	(2)5－□=4	(3)4－□=2	(4)3－□=2
(5)4－□=1	(6)5－□=2	(7)4－□=0	(8)2－□=0

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6.4÷1.6－0.8×2.5=

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6.4÷1.6－0.8×2.5=

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A．20

B．1.4

C．2.5

D．2

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(1)□－2=2	(2)□－4=1	(3)□－2=1	(4)□－3=0
(5)□－0=2	(6)□－1=4	(7)□－2=3	(8)□－0=3

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