第41页

信息发布者:
=7
=90
​$=\frac {4}{25}$​
​$=\frac {5}{4}$​
=7
=90
​$=\frac {36}{25}$​
​$=\frac {9}{5}$​
48
1.3
6
48
1.3
6
0.54
7.2
2
0.54
7.2
2
$3.6 ÷ 0.5 = x$
$3.6 = x × 0.5$
$3.6 × 2 = x × 0.5 × 2$
$3.6 × 2 = x$
因为 $3.6 ÷ 0.5 = x , 3.6 × 2 = x$ , 所以 $3.6 ÷ 0.5 = 3.6 × 2$。
=207
=161
=4232
=8
=20.7
=16.1
=42.32
=8
​$=\frac {29}{28}$​
​$=\frac {3}{14}$​
​$=\frac {13}{28}$​
​$=\frac {21}{8}$​
六年级一班: $47 ÷ 40 = \dfrac{47}{40}$
七年级一班: $52 ÷ 45 = \dfrac{52}{45}$ $\dfrac{47}{40} > \dfrac{52}{45}$
答:六年级一班的人均占地面积大一些。