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
我在。你是因為有些不舒服??這麼些個?在這個城市了!這些天我們會有不同程度受傷?️?在這個城市有你的心是什麼?!這麼些人們在於自己對別人
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
ggduuyvfyhtyvd6ugthi
11樓:匿名使用者
hfdajvcfuhchgljfrhchtjv
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
ugejg3uejegge
14樓:匿名使用者
ffcvbbjjff
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.
脫式計算(能簡算的要簡算,並寫出主要的簡便過程)(1)3 58 2 36 1 42 2 64(2)(14 16 13)
1 3.58 2.36 1.42 2.64 3.58 1.42 2.36 2.64 5 5 0 2 14 1 6 13 48 1 4 48 1 6 48 1 3 48 12 8 16 4 3 3998 85 5 37 3998 17 37 3998 629 4627 4 12.5 3.2 1 4 1...
脫式計算,能簡算的要簡算,脫式計算能簡算的,要簡算25加13乘以1589乘
原式 5 9 5 9 3 8 3 8 1 3 8 3 8 9 64 1 8 5 9 3 8 2 9脫式計算過程。1 8 5 9 3 8 2 9脫式計算過程。1 8 3 8 5 9 2 9 1 4 7 9 9 36 28 36 37 36 1 8 3 8 5 9 2 9 4 8 7 9 1 2 7 9...
脫式計算(能簡算的要簡算),脫式計算 (能簡算的要簡算)1840 725 25 16
1 1840 725 25 16,1840 29 16,1840 30 1 16,1840 30 16 16,1360 16,1376 2 278?8 17?917,278 817 917 27 8?1,198 238 3 16.4 3.5 83.6 166.5,16.4 83.6 3.5 166....