人教版六年级数学寒假作业32页第3题怎么做
\u5c0f\u5b66\u516d\u5e74\u7ea7\u5bd2\u5047\u4f5c\u4e1a\u6570\u5b66\u4eba\u6559\u7248\u5168\u90e8\u7b54\u6848\uff08\u90e8\u5206\uff09
p4
\u5728\u6846\u91cc\u586b\u4e0a\u9002\u5f53\u7684\u6570\u3002
2\u5206\u4e4b3 2\u5206\u4e4b3 2\u5206\u4e4b15
9\u5206\u4e4b14 9\u5206\u4e4b14 9\u5206\u4e4b4
3\u5206\u4e4b5 3\u5206\u4e4b5 6\u5206\u4e4b5
\u5316\u7b80\u6bd4\uff1a
7\uff1a3 25:1 1:5
13:9 27:10 50:7
\u5199\u51fa......\u8868\u793a\u7684\u6570\u3002
\uff0d6 \uff0d3 0 4 7 9
\u770b\u56fe\u627e\u5173\u7cfb\uff1a
28\u662f7\u7684\u500d\u6570 14\u662f7\u7684\u500d\u6570 4\u662f2\u7684\u500d\u6570 28\u662f2\u7684\u500d\u6570 14\u662f2\u7684\u500d\u6570 28\u662f14\u7684\u500d\u6570
p5
1\u3001\u7edf\u8ba1\u56fe\u53d1\u4e0d\u4e0a\u6765\uff0c\u81ea\u5df1\u5199\u5427
2\u3001 \u97f3\u4e50 50 \u4e66\u6cd5 27 46\uff05
3\u3001 9:16 5:7
p10
\u5316\u7b80\u6bd4\uff1a
3:4 1\uff1a12 162:25
1:12 162:25 25:1
\u753b\u56fe\u5f62\uff08\u7701\u7565\uff09
1\u3001 13:20
2\u3001 9:8
3\u3001 1:19
4\u3001 6:5
5\u3001 7:4=175:100
p11
1\u3001 9 160 1 115
2\u3001 2
3\u3001 131
4\u3001 \u7b54\uff1a\u4e0a\u5347\uff1a1\u2014\u20142 4\u2014\u20149\uff0c
\u4e0b\u964d\uff1a2\u2014\u20144 9\u2014\u201412\u3002
\u7532\uff1a\u4e59=2\u5206\u4e4b1:3\u5206\u4e4b1=3:2
\u7b54\uff1a\u9762\u79ef\u6bd4\u662f3:2\u3002
p16
5 5\u5206\u4e4b8 2
3\u5206\u4e4b2 91\u5206\u4e4b39 50\u5206\u4e4b9
\u753b\u56fe\uff08\u7701\u7565\uff09
p17
2\u3001+2100 3\u3001+1400 4\u3001-1300 5\u3001-500 6\u3001+3100
\u753b\u56fe\uff08\u7701\u7565\uff09
\u89e3\u51b3\u95ee\u9898\uff1a
8\uff1a12\uff1a15
8+12+15=35
\u4e00\u3001140\u00d735\u5206\u4e4b8=32\uff08\u4eba\uff09
\u4e8c\u3001140\u00d735\u5206\u4e4b12=48\uff08\u4eba\uff09
\u4e09\u3001140\u00d735\u5206\u4e4b15=60\uff08\u4eba\uff09
\u4f60\u597d\uff0c\u4f60\u8981\u7b54\u6848\u662f\uff1a
\u5047\u8bbeBC\u957f\u5ea6\u4e3ax\uff0c\u5219\u9634\u5f712\u9762\u79ef=\u4e09\u89d2\u5f62ABC\u9762\u79ef-\uff08\u534a\u5706\u9762\u79ef-\u9634\u5f711\u9762\u79ef\uff09
=1/2*20y-(1/2*3.14*10*10-\u9634\u5f711\u9762\u79ef\uff09
=10y-157+\u9634\u5f711\u9762\u79ef
\u7531\u9898\u53ef\u5f97\uff1a\u9634\u5f712\u9762\u79ef=\u9634\u5f711\u9762\u79ef+23\uff0c
\u8054\u7acb\u5f97\uff1a10y-157+\u9634\u5f711\u9762\u79ef=\u9634\u5f711\u9762\u79ef+23\uff0c
10y-157=23\uff0c
y=18cm,OVER
即一个正方形的四个角有3/4个阴影的图形。
。
。。。。
好简单，图无法画出来，我算给你及思路，
但你的悬赏分太少了。
B,C,B,B,A
1000套
选B
福建教育出版社六年级寒假之友12页答案
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绛旓細绗鍏〉锛5銆佸懆闀(4.8+3.2)脳2=8脳2=16(鍘樼背)闈㈢Н 4.8脳3=14.4(骞虫柟鍘樼背)6銆1) 4.75脳1.2=5.7(鍏)2) 闀 6脳1.5=9(绫)9脳6=54(骞虫柟绫)鎴6脳1.5脳6=9脳6=54(骞虫柟绫)3) (35.7+24.3)脳25=60脳25=1500(鍏)绗竷椤:4) 15脳0.45=6.75(鍗冪背)6脳0.9=5.4(...
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绛旓細5鍒嗭細锛26+8脳2锛壝凤紙5-2锛=14锛堟灇锛2鍒嗭細14+8=22锛堟灇锛
