Question

plz solve using BODMAS rule:

no. (xiv)

Answer 1

Heya..
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(ix) 7+4-[3-{1+2-(4-9)}]
= 7+4-[3-{1+2-(-5)}]
= 7+4-[3-{1+2+5}]
= 7+4-[3-8]
= 7+4-[-5]
= 7+4+5
= 16

(x) -4×(-1){2×(-6)+3(2×6-4-2)}
= -4×(-1){2×(-6)+3(12-4-2)}
= -4×(-1){2×(-6)+3(6)}
= -4×(-1){2×(-6)+18}
= -4×(-1){-12+18}
= -4×(-1){6}
= -4×(-6)
= 24

(xi) 120-12{3-4×(-8)}
= 120-12{3+32}
= 120-12{35}
= 120-420
= -300

(xii) 10+4-[3-{1+2-(4-9)}]
= 10+4-[3-{1+2-(-5)}]
= 10+4-[3-{1+2+5}]
= 10+4-[3-8]
= 10+4-[-5]
= 10+4+5
= 19

(xiii) -4×(-2){2×(-6)+3×(2×6)-4-4}
= -4×(-2){2×(-6)+3×12-4-4}
= -4×(-2){-12+36-4-4}
= -4×(-2){36-20}
= -4×(-2){16}
= -4×(-32)
= 128


(xiv) 140-12×[3-4{2×3-2×(-8)}]
= 140-12×[3-4{2×3+16}]
= 140-12×[3-4{2×19}]
= 140-12×[3-4{38}]
= 140-12×[3-152]
= 140-12×[-149]
= 140+1788
= 1928

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Hope it will help u.. plz mark as brainliest :-)

Answer 2

First solve it with the last bracket