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7.2-1.8=
[ ]
(7-1.2÷0.48)×8.8=
(
[
A
B
C
D
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
1.2-0.7=
A.4.8
B.4
C.1.5
D.0.5