Ответ:
Пошаговое объяснение:
-2 2/5+1,4=-2,4+1,4=-1
3 12/50+(-5,24)=3,24-5,24=-2
-2 1/4+3,25=-2,25+3,25=1
3 4/9+(-3 2/7)=3 28/63-3 18/63=10/63
-3,4+13 2/5=-3,4+13,4=10
1)
-2. 2/5 + 1,4 =
-2. 2/5 + 1. 4/10 =
-2. 4/10 + 1. 4/10 = -1
2)
3. 12/50 + (-5,24) =
3. 12/50 - 5. 24/100 =
3. 24/100 - 5. 24/100 = -2
3)
-2. 1/4 + 3,25 =
-2. 1/4 + 3. 25/100 =
-2. 25/100 + 3. 25/100 = 1
4)
3. 4/9 + (-3. 2/7) =
3. 4/9 - 3. 2/7 =
3. 28/63 - 3. 18/63 = 10/63
5)
-3,4 + 13. 2/5 =
-3. 4/10 + 13. 2/5 =
-3. 4/10 + 13. 4/10 = 10
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Answers & Comments
Ответ:
Пошаговое объяснение:
-2 2/5+1,4=-2,4+1,4=-1
3 12/50+(-5,24)=3,24-5,24=-2
-2 1/4+3,25=-2,25+3,25=1
3 4/9+(-3 2/7)=3 28/63-3 18/63=10/63
-3,4+13 2/5=-3,4+13,4=10
Ответ:
Пошаговое объяснение:
1)
-2. 2/5 + 1,4 =
-2. 2/5 + 1. 4/10 =
-2. 4/10 + 1. 4/10 = -1
2)
3. 12/50 + (-5,24) =
3. 12/50 - 5. 24/100 =
3. 24/100 - 5. 24/100 = -2
3)
-2. 1/4 + 3,25 =
-2. 1/4 + 3. 25/100 =
-2. 25/100 + 3. 25/100 = 1
4)
3. 4/9 + (-3. 2/7) =
3. 4/9 - 3. 2/7 =
3. 28/63 - 3. 18/63 = 10/63
5)
-3,4 + 13. 2/5 =
-3. 4/10 + 13. 2/5 =
-3. 4/10 + 13. 4/10 = 10