Question

class 8th
ch- rational number plz tell the answer ​

Answer 1

Step-by-step explanation:

$\frac{1}{2} + \frac{3}{4} = \frac{2 + 3}{4} = \frac{5}{4} \\ 1 \frac{1}{4} \\ \frac{3}{4} - \frac{1}{2} = \frac{3 - 2}{4} = \frac{1}{4} \\ 3 \frac{1}{2} + 4 \frac{3}{4} = \frac{7}{2} + \frac{19}{4} = \frac{14 + 19}{4} \\ \frac{33}{4} = 8 \frac{1}{4}$

$- 25 + 14 \div (5 - 3) \\ - 25 + 14 \div (2) \\ - 25 + 14 \div 2 \\ - 25 + 7 \\ - 18$

23-[23-{23-(23-23-23)}]

23-[23-{23-(-23)

23-[23-{23+23}]

23-[23-{46}

23-[23-46]

23-[-23]

23+23=46

2550-[510-{270-(90-80+70)}]

2550-[510-{270-(160-80)}]

2550-[510-{270-(80)}]

2550-[510-{270-80}]

2550-[510-{190}]

2550 - [ 510-190]

2550-[480]

2550 - 480

2070