1.

Estimate by general rule (a) 540 + 1210 (b) 892 – 342 (c) 739 x 892​

Answer»

Step-by-step explanation:

(a) SOL: 500 + 1200

= 1700

(b) sol: 900 - 300

= 600

(c) sol: 700 × 900

= 630000



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