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41-32= 22-14= 42-27= 22-15=
31+8=
32-25=
48-39=
41-26=
33-15=
33+13=
38-29=
34-16=
44-28= 46-17= 24-17= 26-8= 47-39= 35-18= 46-19= 34-26=
27-18= 35-16= 45-28= 37-19= 28-8= 33+6= 35-28= 24-5= 48-44= 25-9= 31-13= 42-16= 47-29= 44+5= 27£«18= 45-44= 50ÒÔÄÚ¿ÚËãÁ·Ï°¶þÊ®Áù
ÈÕÆÚ ÓÃʱ ·ÖÊý _____
31-15= 42-26= 44-19= 36-19=
40£«9=
24-9=
39-9=
26£«9=
36+12=
31-17=
34-26=
42+8=
48-18= 26£«8= 35-17= 19£«9= 34-18= 26-16= 35-23= 48-39= 50-20= 23+12= 30£«18= 46-18= £«27= 37-12= 46-25= 50-7= 37-16= 38+2= 12-11= 29£«16= 47-19= 38£«8= 46-7= 44-15= 43-26= 26-15= 21+12= 21+21=
17