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7th Class Mathematics Sample Paper Mathematics Sample Paper - 6

  • question_answer
    Verify: \[\left( -30 \right)\text{ }\times \text{ }\left[ 13\text{ }+\text{ }\left( -3 \right) \right]\text{ }=\]\[\left[ \left( -30 \right)\text{ }\times \text{ }13 \right]\]\[+\text{ }\left[ \left( -30 \right)\text{ }\times \text{ }\left( -3 \right) \right]\].

    Answer:

    LHS = (? 30) × [13 + (? 3)] = (? 30) × (13 ? 3) = (? 30) × 10 = ? 300 RHS = [(? 30) × 13] + [(? 30) × (? 3)] = (? 390) + 90 = ? 300                                                                                                                        LHS = RHS                  Hence Proved


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