图上距离(cm)
实际距离(cm)
比例尺
1
10
15
1:20
700
1:500
×16= × = 9× = × =
÷2= 12÷ = ÷ = ÷ =
①2.95+0.5= ②98﹣25= ③18×0.3= ④609÷3= ⑤0.3×0.4=
⑥26+0.2= ⑦×= ⑧5﹣= ⑨+= ⑩6÷=