tíh nhah

T

thanhhung2805

g)[171+(-159)]-[-138-(-95)]
=171+(-159)-[-138+95)]
=171+(-159)+138+95
=(171+138)-159+95
=309-159+95
=300+9-159+95
=300-150+95
=150+95
=245:)|
e)(-2387-1907-1706)+(318+619)
=-5000+937
=4063
 
N

nguyehuuhuy14112000

e) - 2387 - 1907 + 318 - 1706 + 619
g) [171 + (-159)] - [-138 -(-95 ) ]
e,- 2387 - 1907 + 318 - 1706 + 619
=(-2387-1907-1706)+(619+318)
=-6000+937
=-5063
g,[171 + (-159)] - [-138 -(-95 ) ]
=171-159+138+(-95)
=(171+138)-(159+95)
=309-254=55
 
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