2 câu trả lời
a)11+99-48
=110-48
=62
b)33-25+62-27
=8+62-27
=70-27
=43
c)43-27+68-43+92
=(43-43)+(68+92)-27
=0+160-27
=133
Bài 1:
a)11+99-48
=110-48
=62
b)33-25+62-27
=8+35
=43
c)43-27+68-43+92
=16+25+92
=41+92
=133
a)11+99-48
=110-48
=62
b)33-25+62-27
=8+62-27
=70-27
=43
c)43-27+68-43+92
=(43-43)+(68+92)-27
=0+160-27
=133
Bài 1:
a)11+99-48
=110-48
=62
b)33-25+62-27
=8+35
=43
c)43-27+68-43+92
=16+25+92
=41+92
=133
