1) (-7)×(1/7) = -12) (-7)÷(1/7) = -493) (-3.7)+(-1.8) = -5.54) (-7)+(1/7) = -48/75) (-7)-(1/7) = -50/76) (-1/4)+(-3/8) = -5/87) (-3/5)+(-1/5) = -4/5
1) (-7)×(1/7) = -1
2) (-7)÷(1/7) = -49
3) (-3.7)+(-1.8) = -5.5
4) (-7)+(1/7) = -48/7
5) (-7)-(1/7) = -50/7
6) (-1/4)+(-3/8) = -5/8
7) (-3/5)+(-1/5) = -4/5