问题
解答题
|
答案
①80-4×9÷3
=80-36÷3,
=80-12,
=68;
②2400÷4÷25
=2400÷(4×25),
=2400÷100,
=24;
③42.37-7.56-2.44
=42.37-(7.56+2.44),
=42.37-10,
=32.37;
④(126-87)×12÷26
=39×12÷26,
=468÷26,
=18.
|
①80-4×9÷3
=80-36÷3,
=80-12,
=68;
②2400÷4÷25
=2400÷(4×25),
=2400÷100,
=24;
③42.37-7.56-2.44
=42.37-(7.56+2.44),
=42.37-10,
=32.37;
④(126-87)×12÷26
=39×12÷26,
=468÷26,
=18.