Friday, 18 November 2011

Do More Exercise

1.  72+(50-30)=            60-(90-50)=
   28-(15-9)=           41+(12-7)=
   33+(20+20)=            50+(6+7)=
2.  52+7=                92+6=
   20+37=               60+13=
   30+8=                89-8=
   4+44=                78-4=
   63+5=                30+25=
3.  76-2=            59-5=
   59-7=            5+41= 
   34-3=            40+25=
   75-4=            38-7=
   48-6=            2+90=

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