A)12-800:[537-2^5+15.17].1^2021
B)37+(-7).9+201-135+63
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1 câu trả lời
$12$-{$800$:[$537$-($2$⁵+$15$×$7$)]}×1²⁰²¹
=$12$-{$800$:[$537$-$137$]}
=$12$-{$800$:$400$}
=$12$-$2$
=$10$
$37$+(-$7$).$9$+$201$-$135$+$63$
= $37$ +(- $36$) +$66$ + $63$
= $103$