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Adding and subtraction of numbers up to 999
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100+88=
188
Oops!
Okay!
130+3=
133
Oops!
Okay!
700-500=
200
Oops!
Okay!
150-40=
110
Oops!
Okay!
108+3=
111
Oops!
Okay!
117-10=
107
Oops!
Okay!
193-13=
180
Oops!
Okay!
99+1=
100
Oops!
Okay!
300-150=
150
Oops!
Okay!
100+30=
130
Oops!
Okay!
143-13=
130
Oops!
Okay!
101+12=
113
Oops!
Okay!
555-55=
500
Oops!
Okay!
900-800=
100
Oops!
Okay!
150+5=
155
Oops!
Okay!
199-90=
109
Oops!
Okay!
180-60=
20
Oops!
Okay!
100+40=
140
Oops!
Okay!
222-22=
200
Oops!
Okay!
100+80=
180
Oops!
Okay!
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