问题
解答题
|
答案
①7X+0.32=7.6,
7X+0.32-0.32=7.6-0.32,
7X=7.28,
7X÷7=7.28÷7,
X=1.04;
②
=5 x
,40 24
40x=5×24,
40x=120,
40x÷40=120÷40,
x=3.
|
①7X+0.32=7.6,
7X+0.32-0.32=7.6-0.32,
7X=7.28,
7X÷7=7.28÷7,
X=1.04;
②
=5 x
,40 24
40x=5×24,
40x=120,
40x÷40=120÷40,
x=3.