229+(87+118) – (118+129 2021-[(-36) + 2021 + (-64)] 21/09/2021 Bởi Maya 229+(87+118) – (118+129 2021-[(-36) + 2021 + (-64)]
@gaukind2008 229 + (87 + 118) – (118+129) = (229 – 129) + (118 – 118) + 87 = 100 + 0 + 87 = 100 + 87 = 187 2021 – [(-36) + 2021 + (-64)] = ( 2021 – 2021) – [(-36) + (-64)] = 0 + 100 = 100 #Team FA Bình luận
Giải thích các bước giải: $\rm a)\\229+(87+118) – (118+129)\\=229+87+118-118-129\\=118-118+229-129+87\\=(118-118)+(229-129)+87\\=0+100+87\\=187\\b)\\2021-[(-36)+2021+(-64)]\\=2021-[-36+2021-64]\\=2021+36-2021+64\\=2021-2021+64+36\\=(2021-2021)+(64+36)\\=0+100\\=100$ Bình luận
@gaukind2008
229 + (87 + 118) – (118+129)
= (229 – 129) + (118 – 118) + 87
= 100 + 0 + 87
= 100 + 87
= 187
2021 – [(-36) + 2021 + (-64)]
= ( 2021 – 2021) – [(-36) + (-64)]
= 0 + 100
= 100
#Team FA
Giải thích các bước giải:
$\rm a)\\229+(87+118) – (118+129)\\=229+87+118-118-129\\=118-118+229-129+87\\=(118-118)+(229-129)+87\\=0+100+87\\=187\\b)\\2021-[(-36)+2021+(-64)]\\=2021-[-36+2021-64]\\=2021+36-2021+64\\=2021-2021+64+36\\=(2021-2021)+(64+36)\\=0+100\\=100$