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ǰλãҳ > 人教版四年级下册数学各课时练习题 - 百度文库

人教版四年级下册数学各课时练习题 - 百度文库

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  • 2025/6/18 7:13:53

.

ϰ __________ 2.22

һ⡣

1ûŵʽгˡͼӡҪ㣨 㣨 ڼǣ

2Ҫʹ256+30ӷӦԭʽ ʽǣ ǣ 3㣨45+535ʱ㣨 㣨 㣨 4ϡ= 15672 56£72

485+6 485+6

28402184037

24+102+0 24+1020 350-20+15 50-20+15

18-153 18-153

5ʽһۺʽ

124=48 67=42 48+42=90 ۺʽ 243=8 108-8=100 1005=500 ۺʽ 6225ȥ22515̣ʽΪ ǣ ⡣45֣

(8014)6 720-72015 (360-144)243 240+480302

225-106+13 1202+1209 164-135+85 4215136

8009819 (125275)8 25(187143) 392(4538)

ɱ༭

.

(2634)78 150903= 25211= 180£722

ϰ2 __________ 2.28

һա

10555=

2Ҫıʽ48324˳ӷôʽǣ 3һʽֻмӼֻг˳Ҫ

4320˲ιۣȥ85ˣ128ˣУ 5__________________ͳΪ㡣 6ո˳š

1һ˷ 22392124 2һ 22392124 3ȳټ 30018512 ж:

10κ0 2ݡȳ˳Ӽ80528ʱӦ805 31282810010052020525гۺʽ1282855 ѡ⡣

14733ĺͣ3616IJǶ٣ȷʽǣ

ɱ༭

.

A47+3336-16 B47+33£36-16 C36-16£47+33 2750ȥ25IJȥ2013ĺͣǶ٣ȷʽǣ A750-2520+13 B20+13750-25 C750-2520+13

3רҵ98ֻй87ֻĸֻԭй5רҵĸֻȷʽǣ

A98+875 B98+875 C985+87 ġ㡣

(1520)3 240(205) 1922817

14556 125245 18(4001202)

λ뷽ϰ 1 :

1. ͼʾλա

1ӾСļҵıƫ 㷽򣬾 ף 2ӰԺСļҵĶƫ 㷽򣬾 ף 3ͼСļҵ ƫ 򣬾 ף 4ٻСļҵ ƫ 㷽򣬾 ף

2ҵÿλá

1¥ıƫ 㷽򣬾 ף 2»¥ ƫ 򣬾 ף 3Ĺ԰¥ ƫ 㷽򣬾 ף

ɱ༭

Ӿ 500 400 ӰԺ

600 ͼ

40 30 Сļ 300 ٻ

25 900 ¥ » Ĺ԰ ٻ¥ 40 15

.

4ٻ¥¥ ƫ 㷽򣬾 ף

3. һһ

1Ȫ ƫ ķϣ ף 2зɳȪ ƫ ķϣ ף 3ʱȪ ƫ ķϣ ף

4. Ҫ󻭳λá

1̶ڴƫ40㷽򣬾300ף 2èڴݱƫ15㷽򣬾200ף 3ɽڴݶƫ60㷽򣬾500ף 3¹Էڴݶƫ50㷽򣬾400ף

ʱ

25 Ȫ 40 зɳ 20 45 50

5. ͼա

50

1ѧУң ƫ ķϣͼң ƫ ķϡ

2Ӽȥ棬Ҫߣ ףÿ80ףҪߣ ӡ

ѧУ

40

200 ͼ 30

ɱ༭

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. ϰ __________ 2.22 һ⡣ 1ûŵʽгˡͼӡҪ㣨 㣨 ڼǣ 2Ҫʹ256+30ӷӦԭʽ ʽǣ ǣ 3㣨45+535ʱ㣨 㣨 㣨 4ϡ= 15672 56£72 485+6 485+6 28402184037 24+102+

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