a) 16-3= 13
b)1-8= -7
c)-2+25= 23
d)-1+3(10)= -1+30= 29
e)15-1-2= 15-3= 12
f)4-243+1= 5-243= - 238
g)81-2+3-6= 84 -8= 76
h) 14+9= 23
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a) 16-3= 13
b)1-8= -7
c)-2+25= 23
d)-1+3(10)= -1+30= 29
e)15-1-2= 15-3= 12
f)4-243+1= 5-243= - 238
g)81-2+3-6= 84 -8= 76
h) 14+9= 23