脫式計算(能簡便計算的要寫出簡算過程1)

2021-04-20 04:56:58 字數 6601 閱讀 9962

1樓:鍋蓋峭餡

(1)3.64÷4+4.36×

bai25%

=3.46×1

4+4.36×1

4,du

=(3.46+4.36)×14,

=8×14,

=2;zhi

(2)3.2×25×12.5,

=0.8×4×25×12.5,

=(4×25)×(12.5×0.8),

=100×10,

=1000;

(3)3

4÷dao[56×(37?3

8)],=34

÷[56×3

56],=34

÷3,=14.

脫式計算(能簡便的簡便) 2012×2010/2011 3.64÷4+4.36×0.25 (5/8+2/27)×8+11/27 41×9.9+4.1

2樓:紫涵薰靜

解方程:

10×7-5x=9.2

5x=70-9.2;

5x=60.8;

x=12.16;

脫式計算:

2012×2010/2011

=(2011+1)(2011-1)/2011=(2011²-1)/2011

=2011-1/2011

=2010又2011分之2010;

3.64÷4+4.36×0.25

=(3.64+4.36)×0.25

=8×0.25

=2;(5/8+2/27)×8+11/27=5+16/27+ 11/27

=5+(16/27+11/27)

=5+1

=6;41×9.9+4.1

=4.1×(99+1)

=4.1×100

=410;

脫式計算(能簡算的要簡算)4.36×12.5×8;15.2÷0.25÷4;0.

3樓:胤胤胤

(bai1)4.36×du12.5×8

=4.36×(12.5×8)

=4.36×100

=436;

(zhi2)15.2÷dao0.25÷4

=15.2÷(

0.25×4)

=15.2÷1

=15.2;

(3)0.46×1.9+0.54×1.9

=(0.46+0.54)×

內1.9

=1×1.9

=1.9;

(4)3.6÷[(1.2-0.4)×0.5]=3.6÷[0.8×0.5]

=3.6÷0.4

=9.容

4樓:匿名使用者

先算12.5*8=100*4.36=436

15.2/0.25/4=15.2*(0.25*4)=12.5

三年級脫式計算題大全800道

5樓:匿名使用者

1、例題:30-(19+2)=30-11

=192、例題:(26+28)÷9 

=54÷9

=63、例題: 3+2×8=3+16

=194、例題:(3+5)×6=8×6

=485、例題:36÷9×6=4×6=24

6樓:匿名使用者

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7樓:使用者

22×4+

221 21×3+410 40÷2+174

147+72÷8 9×4+420 2×80÷4

120×5÷2 202+36÷9 30÷5+240

81÷9+877 66×5+774 921+7×4

80×6×2 770÷7+65 807+20÷2

100-50÷5 35-35÷7 302+30×2

600×8÷3 40+100÷5 434+25×5

60-12×3 64÷8+456 640+60×4

5×7-48÷6 42÷7+36÷6 37×4+19×8

10×4-20÷4 15÷3+10÷5 25÷5+42÷6

35÷5+8×7 72÷9-36÷6 21×4-54÷9

72÷8+9×5 36÷4+21×2 25÷5-16÷4

56÷7+36÷6 500×(400-396) 72÷9-5

564+264-453 7650-(546+4530) 65×9-450

9×80+980 9000-(4500+250) 6700+72÷8

14×6+9×5 900÷(71-68) 180÷9-42÷6

12÷6+45×3 8×(910-720) 760-540+1110

6500+1250-3500 80×30+5600 9450-3200-4200

2400÷6-45 800× 7-180 1600÷2+230

4000 ÷ 8 + 350 320÷8+64 270 ÷ 3 ×9

630 ÷ 9 + 320 2800+32× 6 300÷6×9

(6900-2400)÷ 5 (72÷9)÷(56÷8) 54 ÷ 9 ×8

280× 4 ÷5 60×8+1570 60×(23-17)

960÷4×9 350÷5×9 450÷5+1250

(6900-2400)÷5 75÷15+20×5 3090+6×6

(387-387)+0 160-160÷80 750+550÷5

(111+189)×3 125×8÷100 6×250×0

(1+7)×(16-6) 810×4÷4 33÷11+4×9

187+299-299 587+496-674 2660+26÷26

153÷153+657 32÷(32÷16) 300-(300-222)

75÷15+20×5 (150-75)×(25-20)

3390-10×95 687+(99-67)

1000+(1000-988) 3560+20×90

(250-150)÷(30÷6) 687+999÷3

(4870-3675)+7200÷9 (9467-5642)÷(350÷70)

8樓:啊還有錯過

73-35×2 540÷(65一59) 100-50÷5

9×4+22 560÷7+56

9樓:馬興龍

wozhidaoreytasrernfghyti76ujdfhfgkuyutyuiy

10樓:匿名使用者

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11樓:匿名使用者

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12樓:匿名使用者

824÷4×

3 (601-246)÷5 201+232-365

= = =

= = =

(25+38)×15 (59-187)÷3 1500-125×8

= = =

= = =

25×8×9 (601-246)÷5 201+232-365

= = =

= = =

(25+33) ×26 2+3×56= 63×147-198=

= = =

= = =

735-35×12= 540÷(65-59) 789-13×45

= = =

= = =

22×4+221 21×3+410 40÷2+174 = = =

= = =

三年級數學脫式計算

147+72÷8 9×4+420 2×80÷4

= = =

= = =

120×5÷2 202+36÷9 30÷5+240 = = =

= = =

81÷9+877 66×5+774 921+7×4 = = =

= = =

80×6×2 770÷7+65 807+20÷2 = = =

= = =

100-50÷5 35-35÷7 302+30×2 = = =

= = =

600×8÷3 40+100÷5 434+25×5 = = =

= = =

60-12×3 64÷8+456 640+60×4 = = =

= = =

56÷7+36÷6 500×(400-396) 72÷9-5 = = =

= = =

564+264-453 7650-(546+4530) 65×9-450 = = =

= = =

9×80+980 9000-(4500+250) 6700+72÷8 = = =

= = =

14×6+9×5 900÷(71-68) 180÷9-42÷6

= = =

= = =

12÷6+45×3 8×(910-720) 760-540+1110

= = =

= = =

6500+1250-3500 80×30+5600 9450-3200-4200 = = =

= = =

2400÷6-45 800× 7-180 1600÷2+230

= = =

= = =

4000 ÷ 8 + 350 320÷8+64 270 ÷ 3 ×9

= = =

= = =

630 ÷ 9 + 320 2800+32× 6 300÷6×9

= = =

= = =

(6900-2400)÷ 5 (72÷9)÷(56÷8) 54 ÷ 9 ×8 = = =

= = =

280× 4 ÷5 60×8+1570 60×(23-17) = = =

= = =

22×4+221 21×3+410 40÷2+174

= = =

= = =

147+72÷8 9×4+420 2×80÷4

= = =

= = =

120×5÷2 202+36÷9 30÷5+240 = = =

= = =

81÷9+877 66×5+774 921+7×4

= = =

= = =

80×6×2 770÷7+65 807+20÷2 = = =

= = =

100-50÷5 35-35÷7 302+30×2 = = =

= = =

13樓:匿名使用者

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14樓:匿名使用者

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15樓:匿名使用者

打擊球手 ?46359458×2÷456 一582155253685%4555478

脫式計算。 36×(4分之3-9分之1+6分之1) 3×(15分之2+12分之1)-5分之2

16樓:匿名使用者

36×(4分之

3-9分之1+6分之1)

=36×4分之3-36×9分之1+36×6分之1=27-4+6

=293×(15分之2+12分之1)-5分之2=3×15分之2+3×12分之1-5分之2=5分之2+4分之1-5分之2

=4分之1

9分之4÷(5分之4-(5分之1+3分之1))=9分之4÷(5分之4-5分之1-3分之1)=9分之4÷(5分之3-3分之1)

=9分之4÷(15分之9-15分之5)

=9分之4÷15分之4

=9分之15

=3分之5

(2分之1(4分之3-5分之3))÷70%=(8分之3-10分之3))÷70%

=8分之3×7分之10-10分之3×7分之10=28分之15-7分之3

=28分之15-28分之12

=28分之3

脫式計算,能簡便計算的要簡算. (1)13÷0.4÷2.5 (2)64×4.5+36×4.5 (3)1.25×2.5×0.8

17樓:手機使用者

(1)13÷0.4÷2.5,

=13÷(0.4×

回2.5),

=13÷1,

=13;

(2)64×4.5+36×4.5,

=(64+36)×答4.5,

=100×4.5,

=450;

(3)1.25×2.5×0.8,

=1.25×0.8×2.5,

=1×2.5,

=2.5;

(4)1.5×101-1.5,

=1.5×(101-1),

=1.5×100,

=150;

(5)14.64+3.7×2.8,

=14.64+10.36,

=25;

(6)2.8×7.3+0.27×28,

=2.8×7.3+2.7×2.8,

=2.8×(7.3+2.7),

=2.8×10,

=28.

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