题目内容
判断对错
5+10=15
( )
5.6+4.4-5.6+4.4=10-10=0
8.4+1.6÷0.4×2.5
=10÷0.4×2.5
=10÷1
=10
3.3÷[0.8×(12.5+1.25)]
=3.3÷[0.8×12.5+0.8×1.25]
=3.3÷[10+1]
=3.3÷11
=0.3
判断对错.
5+5-10=0