Question

Find the sum by suitable rearrangement 3578*123-3578*23 ​

Answer 1

Answer:

(a) 2× 1768 ×50

= 2 × 50 ×1768

= 100 ×1768

= 176800

(b) 4 × 166 ×25

= 4 × 25 ×166

= 100 × 166

= 16600

(c) 8 × 291 ×125

= 8 × 125 ×291

= 1000 × 291

= 291000

(d) 625 × 279×16

= 625 ×16 ×279

= 10000 ×279

= 2790000

Step-by-step explanation:

(a) 2× 1768 ×50

= 2 × 50 ×1768

= 100 ×1768

= 176800

(b) 4 × 166 ×25

= 4 × 25 ×166

= 100 × 166

= 16600

(c) 8 × 291 ×125

= 8 × 125 ×291

= 1000 × 291

= 291000

(d) 625 × 279×16

= 625 ×16 ×279

= 10000 ×279

= 2790000

(e) 285 ×5 ×60

= 285 ×300

= 285×100×3

= 285×3×100

= 855×100

= 85500

(f) 125 ×40 ×8 × 25

= 125 × 8 × 40 × 25

= 1000 ×1000

= 1000000

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Answer 2

Answer:

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