From point A to point b, the taxi takes 1.4 hours and the bus takes 2.1 hours. The speed of the bus - id2127558820201129 от Love1963sss 29.11.2020 21:46

Question

Математика: From point A to point b, the taxi takes 1.4 hours and the bus takes 2.1 hours. The speed of the bus is 39.2 km / h. Find the speed of the taxi

Love1963sss · Accepted Answer

Выражение: -13+(-15)+9+(-17)
Решаем по действиям:
1. -13+(-15)=-13-15
2. -13-15=-28
3. -28+9=-19
4. -19+(-17)=-19-17
5. -19-17=-36
Выражение: 20+(-14)+(-13)+7
Решаем по действиям:
1. 20+(-14)=20-14
2. 20-14=6
3. 6+(-13)=6-13
4. 6-13=-7
5. -7+7=0
Выражение: -21.23+7.81+(-28.77)
Решаем по действиям:
1. 21.23=2123//100
2. 7.81=781//100
3. -(2123//100)+(781//100)=-(671//50)
4. 28.77=2877//100
5. -(671//50)+(-(2877//100))=-(671//50)-(2877//100)
6. -(671//50)-(2877//100)=-(4219//100)=-42.19
Выражение: -4.7+0.6+(-0.9)+1.8
Решаем по действиям:
1.-4.7+0.6=-41//10
2.(-0.9)+1.8=9//10
3.1. -(41//10)+(9//10)=-(16//5)=-3,2
Выражение: -8.72+15.37+13.63+8.72
Решаем по действиям:
1.-8.72+15.37=133//20
2.13.63+8.72=447//20
3.133//20+447//20=29

From point A to point b, the taxi takes 1.4 hours and the bus takes 2.1 hours. The speed of the bus is 39.2 km / h. Find the speed of the taxi

MOGZ ответил