Find the value of: |
(a) \[\text{(}7\text{)}8(25)\] |
(b) \[\text{(}13)+3281\] |
(c) \[(-7)+(-8)+(-90)\] |
(d) \[50-(-40)-(-2)\] |
Answer:
(a) \[(-7)-8-(-25)=-7-8+25=-15+25\] \[=25-15=10\] (b) \[\text{(}-\text{13)}+32-8-1=-13+32-8-1\] \[=32-(13+8+1)\] \[=32-22=10\] (c) \[(-7)+(-8)+(-90)=-7-8-90\] \[=-(7+8+90)\] \[=-105\] (d) \[50+(-40)-(-2)=50+40+2\] \[=92\]
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