【计算题专项练习】人教版六年级数学下册第二单元：百分数的四则计算（含答案）

2025-2026学年六年级数学下册人教版

第二单元计算专项02:百分数的四则计算

园日期；__________01用时：__________，评价；__________

/一、百分数与整数乘法

1.直接写出得数。

120x25%=150x40%=200x15%=240x30%=

300x20%=350x12%=400x25%=450x16%=

2.直接写出得数。

2X1%=3X2%=5X2.5%=8X3%=

10X3.2%=12X4%=15X4.5%=20X4.8%=

,二、整数除以百分数除法运算

1.直接写出得数。

150=25%=200・40%=240930%=300:15%=

360・60%=400・20%=450・50%=500:25%=

2.直接写出得数。

1・1%=2+2%=5+2.5%=6・3%=

84-4%=94-4.5%=104-2%=124-3%=

发三、简单混合运算

1.直接写出得数。

120x20%+180x30%=250-150x40%=30(^50%+200x10%=

1804-30%-250=220x15%+280x25%=500x20%4-25%=

2.直接写出得数。

5X2%+3X1%=10-8X2.5%=6・3%+4・2%=

4X4%—2X2%=15X3%+5X1%=204-4%-104-2%=

7X2%+8X3%=9+4.5%+6・3%=

义.四、脱式计算（对应成数、折扣）

1.脱式计算。

(1)150+120x30%⑵400-180:60%

(3)350x(25%+40%)(4)(420-I50R75%

2.脱式计算。

(1)180x50%+220(2)3()(H4()%-120

(3)250x(80%-30%)(4)(500+180)x25%

3.脱式计算。

(1)160+240x60%(2)450-300,5%

(3)320x40%+180x50%(4)(380-120)-5-50%

4.脱式计算。

(1)210x30%+290(2)500:25%-350

(3)190+(450x40%)(4)600x(70%-20%)

5.脱式计算。

(1)280+160x75%(2)360-240:80%

(3)(220+180)x30%(4)420x50%+180x60%

6.脱式计算。

(1)320x45%+280(2)550・50%・210

(3)240+360x25%(4)(480-160)-?40%

7.脱式计算。

(1)190+310x65%(2)400-280:70%

(3)350x(30%+50%)(4)520x40%-120

8.脱式计算。

(1)260+240x80%(2)600^60%-38()

(3)(320+180)x35%(4)450x55%+150x45%

英五、脱式计算(对应利率、税率)

1.脱式计算。

(1)5000X2.4%X2(2)8000+8000x3.1%x1

(3)12000-12000x1.8%(4)(3000x4.2%x3)+3000

2.脱式计算。

⑴150：(2.5%x3)(2)2000x(1+3.5%x2)

(3)5000x4.8%^2(4)(15000x2.1%xl)-(8000xl.5%xl)

3.脱式计算。

(1)6OOOX3.8%XO.5(2)4500x(1+4.5%x3)

(3)9000x2.3%+9000x1.2%(4)7200-(7200x3.6%x2)

4.脱式计算。

(l)4000x].9%x5(2)10000+10000x4.3%x2

(3)150()()x(1-2.2%)(4)(6000x3.3%xl)+(6000x2.8%x2)

5.脱式计算。

(1)240：(4.8%x2)(2)3500x4.6%x0.25

(3)8000-(8000x1.5%+8000x2.1%)(4)(9000x3.7%x4)+9000

6.脱式计算。

(1)7()00X2.7%X3(2)12000x(1+3.9%xl)

(3)50000-50000x4.7%(4)(4500x2.0%x2)v(3%xl)

7.脱式计算。

(1)3000x4.4%x1.5(2)6500+6500x3.4%x0.5

(3)180()()x(1-1.6%-2.3%)(4)(8000x2.9%x3)-(500()x2.2%x3)

8.脱式计算。

(l)9OOOxl.3%x5(2)20000+20000x4.0%x2

(3)16000-16000x3.0%x0.5(4)(12000x3.5%xl)+(12000x2.8%x2)

参考答案

一、百分数与整数乘法

1.30,60,30,72,60,42,100,72

2.0.020.060.1250.240.320.480.6750.96

二、整数除以百分数除法运算

1.600,500,800,2000,600,2000,900,2000

2.10010020020020()200500400

三、简单混合运算

1.78,190,620,350,103,4(X)

2.0.139.84000.120.500.38400

四、脱式计算(对应成数、折扣)

1.(1)150+120x30%

=150+120x0.3

=150+36

=186

(2)400-180:60%

=400-180:0.6

=400-300

=100

(3)350x(25%+40%)

=350x(0.25+0.4)

=350x0.65

=227.5

(4)(420-150)975%

=270-0.75

=360

2.(1)180x50%+220

=180x0.5+220

=90+220

=310

⑵300-40%-120

=300-0.4-120

二750-120

=630

(3)250x(80%-30%)

=250x(0.8-0.3)

=250x0.5

=125

(4)(500+180)x25%

=680x0.25

=170

3.(1)160+240x60%

=160+240x0.6

=160+144

=304

(2)450-3004-75%

=450-30CH0.75

=450-400

=50

(3)320x40%+180x50%

=320x0.4+180x0.5

=128+90

=218

(4)(380-120)^50%

=260-0.5

=520

4.(1)210x30%+290

=210x0.3+290

=63+290

=353

(2)500:25%-350

=500-0.25-350

=2000-330

=1650

(3)190+(450x40%)

=190+(450x0.4)

=190+18()

=370

(4)600x(70%-20%)

=600x(0.7-0.2)

=600x0.5

=300

5.(1)280+160x75%

=280+160x0.75

=280+120

=400

(2)360-240:80%

=360-24CH0.8

=360-300

=60

(3)(220+180)x30%

=400x0.3

=120

(4)420x50%+180x60%

=420x0.5+180x0.6

=210+108

=318

6.(1)320x45%+280

=320x0.45+280

=144+280

=424

(2)550-50%-210

二330:0.5-210

=1100-210

=890

(3)240+360x25%

=240+360x0.25

=240+90

=330

(4)(480-160)4-40%

=32090.4

=800

7.(1)190+310x65%

=190+310x0.65

=190+201.5

=391.5

(2)400-280:70%

=400-280:0.7

=400-400

=0

(3)350x(30%+50%)

=350x(0.3+0.5)

=350x0.8

=280

(4)520x40%-120

=520x0.4-120

=208-120

=88

8.(1)260+240x80%

=260+240x0.8

=260+192

=452

(2)600—60%-380

=600-0.6-380

=1000-380

=620

(3)(320+180)x35%

=500x0.35

=175

(4)450x55%+150x45%

=450x0.55+150x0.45

=247.5+67.5

=315

五、脱式计算(对应利率、税率)

l.(l)5000x2.4%x2

=5000x0.024x2(2.4%=0.024)

=120x2

=240

(2)8000+8000x3.l%xl

=8000+8000x0.031x1(3.1%=0.031)

=8000+248

=8248

(3)12000-12000x1.8%

=12000-12000x0.018(1.8%=0.018)

=12000-216

=11784

(4)(3000x4.2%x3)+3000

=(3000x0.042x3)+3000(4.2%=0.042)

=(126x3)+3000

=378+3000

=3378

2.(1)150：(2.5%x3)

=150-=-(0.025x3)(2.5%=0.025)

=150-0.075

=2000

(2)200()x(1+3.5%x2)

=2000x(1+0.035x2)(3.5%=0.()35)

=2000x(1+0.07)

=2000x1.07

=2140

(3)5000x4.8%：2

=5000x0.048^2(4.8%=0.048)

=240:2

=120

(4)(15000x2.1%x1)-(8000x1.5%x1)

=(15000x0.021x1)-(8000x0.015x1)(2.1%=0.021,1.5%=0.015)

=315-120

=195

3.(D6OOOX3.8%XO.5

=6000x0.038x().5(3.8%=O.()33)

=228x0.5

=114

(2)4500x(1+4.5%x3)

=4500x(1+0.045x3)(4.5%=0.045)

=4500x(1+0.135)

=4500x1.135

-5107.5

(3)9000x2.3%+9000x1.2%

=9000x0.023+9000x0.012(2.3%=0.023,1.2%=0.012)

=207+108

=315

(4)7200-(7200x3.6%x2)

=7200-(7200x0.036x2)(3.6%=0.036)

=7200-(259.2x2)

=7200-518.4

=6681.6

4.(l)4000xl.9%x5

=4000x0.019x5(1.9%=0.019)

=76x5

=380

(2)10000+10000x4.3%x2

=10000+10000x0.043x2(4.3%=0.043)

=10000+860

=10X60

(3)15000x(1-2.2%)

=15000x(1-0.022)(2.2%=0.022)

=15000x0.978

=14670

(4)(6000x3.3%x1)+(600()x2.8%x2)

=(6000x().033x1)+(6000x().028x2)(3.3%=O.()33,2.8%=().()28)

=198+336

=534

5.(1)2404-(4.8%x2)

=240-(0.048x2)(4.8%=0.048)

=240-0.096

-2500

(2)3500x4.6%x0.25

=3500x0.046x0.25(4.6%=0.046)

=161x0.25

=40.25

(3)8000-(8000x1.5%+8000x2.1%)

=8000-(8000x0.015+8000x0.021)(1.5%=0.015,2.1%=0.021)

=8000-(120+168)

=8000-288

=7712

(4)(9000x3.7%x4)+9000

=(9000x0.037x4)+9000(3.7%=0.037)

=(333x4)+9000

=1332+9000

=10332

6.(1)7000X2.7%X3

=7()00x0.()27x3(2.7%=0.027)

=1X9x3

=567

(2)12000x(1+3.9%xl)

=12000x(1+0.039x1)(3.9%=0.039)

=12000x1.039

=12468

(3)5000050000x4.7%

=50000-50000x0.047(4.7%=0.047)

=50000-2350

=47650

(4)(4500x2.0%x2);(3%xl