mn giúp em với em cần gấp

$\text{1) 3564 + 283. 765}$

= $\text{3564 + 216495}$

= $\text{220059}$

$\text{2) 593. 789 - 52872}$

= $\text{467877 - 52872}$

= $\text{415005}$

$\text{3) 241223 : 521 - 212}$

= $\text{463 - 212}$

= $\text{251}$

$\text{4) 85672 + 265. 78 - 62783}$

= $\text{85672 - 20670 - 62783}$

= $\text{2219}$

$\text{5) 123816 : 21 - 4873 + 5842}$

= $\text{5896 - 4873 + 5842}$

= $\text{6865}$

$\text{6) (39 - 28). 56 - 19. (12 + 47)}$

= $\text{11. 56 - 19. 59}$

= $\text{616 - 1121}$

= $\text{-505}$

$\text{7) (312 : 3 + 2. 762). 64 - 28}$

= $\text{(104 + 1524). 64 - 28}$

= $\text{1628. 64 - 28}$

= $\text{104192 - 28}$

= $\text{104164}$

$\text{8) (56 + 69). 64 + 489 - 2106. 8 : 27}$

= $\text{125. 64 + 489 - 16848 : 27}$

= $\text{8000 + 489 - 624}$

= $\text{7865}$

$\text{9) 83643 + 97760 : 416}$

= $\text{83643 + 235}$

= $\text{83878}$

$\text{10) 29 + 132 + 237 + 868 + 763}$

= $\text{29 + (132 + 868) + (237 + 763)}$

= $\text{29 + 1000 + 1000}$

= $\text{2029}$

$\text{11) 652 + 327 + 148 + 15 + 73}$

= $\text{(652 + 148) + (327 + 73) + 15}$

= $\text{800 + 400 + 15}$

= $\text{1215}$

$\textit{#Ng}$