Question

Wykonaj dodawanie i odejmowanie: A.-28+(-32)= B.-8,4+15 1/3+(-22)= C.13,3+(-15,9)+45 1/4= D.-7 2/3-24 5/6+19= E.-16 1/4+(-26,7)+9,2-13 5/8 i prosiłbym z obliczeniami proszę szybko daję naj !!!

Answer 1

A.-28+(-32) = - 28-32 = -60

 

B.-8,4+15 1/3+(-22) = -8,4-22+15 1/3 = -30 2/5 + 15 1/3 = -152/5 + 46/3 = -456/15+230/15 = -226/15 =  -15 i 1/15

 

C.13,3+(-15,9)+45 1/4 = 13,3-15,9+45,25 = 42,65

 

D.-7 2/3-24 5/6+19 = -7 2/3-24 5/6+19 = -7 4/6-24 5/6+19 = -32 3/6 + 19 = -13 1/2

 

E.-16 1/4+(-26,7)+9,2-13 5/8 = -16,25-26,7+9,2-13,625 = -47,375

Answer 2

A.=-28-32=-60

B.=-8,4+15 1/3-22=-30.4+15 1/3=-30 2/5+15 1/3=-30 6/15+15 5/15=-15 1/15

C.13,3+(-15,9)+45 1/4=13,3-15,9+45,25=42,65

D.=-7 4/6-24 5/6+19=-31 9/6+19= -32 1/2+19=-13 1/2

E.-16 1/4-26,7+9,2-13 5/8=-16,25-26,7+9,2-13,625=-47,375