Question

13) 2 + (-4 + 5) -(+6 + 6) + 7
14) –3 -(+4 –6 –7 –5 + 6) –7 + 5
15) +(-3 –5 + 6) -(-4 –5 -9) 16)
+(-3 –5 + 4) -(+4 + 5 + 6) 17)
–(-4 + 5 -6) -(+7 –3 + 6) -5 18)
7 + 15 -18 -3 =19
) -18 + 32 -14 =20)
-21 + 45 -20 =21)
23 -15 -10 =22)
9 + 20 + 3 -24 =
23)-16 + 20 -8 + 2 =

Answer 1

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