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1.6-0.9=
7.2-3.5=
6-3.7=
3.25-1.25+1.6=
0.8+0.2-0.7=
(1)4=[ ]
A
(2)2=[ ]
B
(3)6=[ ]
C
(4)7=[ ]
D
7+12.5= 4.5+1.5= 1.2+3.1+0.8= 10-3.1-6.9=
(1)1.6+2.7= (2)5.4-0.8=
(3)3.5-2.6= (4)1.5+0.4=
(1)1
(2)10
(3)4
(4)8
(5)9
(6)7
(7)6
(8)9
(9)7
(10)9