文档内容
32
!"12 dA‘lPRC[+kg
!": # $ %&:
’
! !"#$%&’
47-8= 50-6= 48-9= ( )+5=41
35+20= 40+36= 39-39= ( )-40=4
48-10= 29-9= 8+91= 7+( )=28
62+9= 34+5= 89-50= ( )+52=58
55-6= 38+40= 36+6= ( )+8=26
34+9= 72-7= 48-40= 8+( )=32
56-6=
35-20= 36-9= ( )-7=41
41-8= 18+7= 72-30= ( )-8=36
37+20= 18+80= 32+50= 42-( )=40
52-30=
22-10= 79-8= ( )+20=50
77-70= 66+8= 38-9= ( )-30=40
47-9= 88-40= 47+8= 72-( )=68
49+2=
16+4= 91+7= ( )-9=90
53-20= 57-8= 47-10= ( )+8=21
56+6= 49-4= 82+7= 45-( )=40
78-60=
99-50= 38+9= ( )-7=14
!!"()%&’
1. 2.
O˛‘gD‹Æ‹›A(cid:226)?
=>g?>‹(cid:230)m‹›@I(cid:221)?
○ = (A)
○ = (@)