本课配套习题挑战模式1/5
A: 11 |
B: 12 |
C: 13 |
D: 14 |
- 提示1:IOWPr+iuvuaWueagvOe6uOeahOi+uemVv+aYr3jvvIzngbDoibLkuInop5LlvaLnmoTpnaLnp6/nrYnkuo7mlrnmoLznurjnmoTpnaLnp6/lh4/ljrvlkajlm7TkuInkuKrnm7Top5LkuInop5LlvaLnmoTpnaLnp6/vvIzliJflh7rmlrnnqIvlj6/msYLop6Mu
- 答案:Qg==
6Kej77ya5pa55qC857q455qE6L656ZW/5piveO+8jDxicj54PHN1cD4yPC9zdXA+LTxpbWcgd2lkdGg9MTg5IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzBELzI3L3JCQUNGRlBJOWtpRGhQdE1BQUFDakFVU1BkNDU2NS5wbmciPj08aW1nIHdpZHRoPTEyIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzRBLzNCL3JCQUNFMVBJOWtmUkpUbmxBQUFCV2hBREhWZzM3MC5wbmciPjxicj54PHN1cD4yPC9zdXA+PTEyLiA8YnI+5omA5Lul5pa55qC857q455qE6Z2i56ev5pivMTLvvIw8YnI+5pWF6YCJQi4gPGJyPg==
本课配套习题挑战模式2/5
如图,在宽为20米,长为30米的矩形地面上修建两条同样宽的道路,余下部分作为耕地. 若耕地面积需要551米2,则修建的路宽应为( )
A: 1米 |
B: 1.5米 |
C: 2米 |
D: 2.5米 |
- 提示1:PHA+6KaB5rGC5L+u5bu655qE6Lev5a6977yM5bCx6KaB6K6+5L+u5bu655qE6Lev5a695bqU5Li6eOexs++8jOagueaNrumimOaEj+WPr+efpe+8muefqeW9ouWcsOmdoi3miYDkv67ot6/pnaLnp6896ICV5Zyw6Z2i56ev77yM5L6d5q2k5YiX5Ye6562J6YeP5YWz57O76Kej5pa556iL5Y2z5Y+vLjwvcD4=
- 答案:QQ==
PHA+6Kej77ya6K6+5L+u5bu655qE6Lev5a695bqU5Li6eOexszxicj7moLnmja7nrYnph4/lhbPns7vliJfmlrnnqIvlvpfvvJoyMMOXMzAt77yIMjB4KzMweC14PHN1cD4yPC9zdXA+77yJPTU1Me+8jDxicj7op6PlvpfvvJp4PTQ55oiWMe+8jDxicj40OeS4jeWQiOmimOaEj++8jOiIjeWOu++8jDxicj7mlYXpgIlBLjwvcD4=
本课配套习题挑战模式3/5
如图,矩形ABCD的周长是20cm,以AB,AD为边向外作正方形ABEF和正方形ADGH,若正方形ABEF和ADGH的面积之和68cm2,那么矩形ABCD的面积是()
A: 21cm2 |
B: 16cm2 |
C: 24cm2 |
D: 9cm2 |
- 提示1:PHA+5pys6aKY5Y+v6K6+QUI9eGNt77yMQUQ977yIMTAteO+8iWNt77yM5YiZ5q2j5pa55b2iQUJFRueahOmdouenr+S4ung8c3VwPjI8L3N1cD5jbTxzdXA+Mjwvc3VwPu+8jOato+aWueW9okFER0jnmoTpnaLnp6/kuLrvvIgxMC1477yJPHN1cD4yPC9zdXA+Y208c3VwPjI8L3N1cD7vvIzov5vogIznu5PlkIjpopjmhI/vvIzlj6/liJflh7rmlrnnqIvvvIzmsYLlvpfnrZTmoYguPC9wPg==
- 答案:Qg==
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
本课配套习题挑战模式4/5
A: 169cm2 |
B: 256cm2 |
C: 225cm2 |
D: 196cm2 |
- 提示1:IOiuvuWOn+ato+aWueW9oueahOi+uemVv+S4unjvvIzpgqPkuYjmiKrljrvnmoTnn6nlvaLnmoTplb/kuLp477yM5omA5Lul5oiq5Y6755qE55+p5b2i55qE6Z2i56ev5Li6M3jvvIzliKnnlKjmraPmlrnlvaLnmoTpnaLnp6/lhazlvI/lkozliankvZnpnaLnp6/kuLoxMzBjbTxzdXA+Mjwvc3VwPuWwseWPr+S7peWIl+WHuuaWueeoi++8jOino+aWueeoi+WNs+WPry4=
- 答案:QQ==
6Kej77ya6K6+5Y6f5q2j5pa55b2i55qE6L656ZW/5Li6eO+8jOmCo+S5iOaIquWOu+eahOefqeW9oueahOmVv+S4unjvvIw8YnI+5L6d6aKY5oSP5b6XeDxzdXA+Mjwvc3VwPi0zeD0xMzDvvIw8YnI+4oi0eDxzdXA+Mjwvc3VwPi0zeC0xMzA9MO+8jDxicj7iiLR4PHN1Yj4xPC9zdWI+PTEz77yMeDxzdWI+Mjwvc3ViPj0tMTDvvIjotJ/lgLzoiI3ljrvvvIkuIDxicj7iiLTljp/mnaXpk4HniYfnmoTpnaLnp6/kuLoxM8OXMTM9MTY5Y208c3VwPjI8L3N1cD4uIDxicj7mlYXpgIlBLiA=
本课配套习题挑战模式5/5
A: 5米 |
B: 3米 |
C: 2米 |
D: 2米或5米 |
- 提示1:IOiuvumBk+i3r+eahOWuveS4unjvvIzliKnnlKjigJzpgZPot6/nmoTpnaLnp6/igJ3kvZzkuLrnm7jnrYnlhbPns7vlj6/liJfmlrnnqIsyMHgrMzJ4LXg8c3VwPjI8L3N1cD49MjDDlzMyLTU0MO+8jOino+aWueeoi+WNs+WPr+axguinoy4g6Kej6aKY6L+H56iL5Lit6KaB5qC55o2u5a6e6ZmF5oSP5LmJ6L+b6KGMeOeahOWAvOeahOWPluiIjS4=
- 答案:Qw==
6Kej77ya6K6+6YGT6Lev55qE5a695Li6eO+8jOagueaNrumimOaEj+W+lzIweCszMngteDxzdXA+Mjwvc3VwPj0yMMOXMzItNTQwPGJyPuaVtOeQhuW+l++8iHgtMjbvvIk8c3VwPjI8L3N1cD49NTc2PGJyPuW8gOaWueW+l3gtMjY9MjTmiJZ4LTI2PS0yNDxicj7op6Plvpd4PTUw77yI6IiN5Y6777yJ5oiWeD0yPGJyPuaJgOS7pemBk+i3r+WuveS4ujLnsbMuIDxicj7mlYXpgIlDLiA=