唉,学校留作业太多了。。。不要太难的。。嘻嘻有答案更好赏分。
第1个回答 2011-02-14
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
19.4×6.1×2.3 5.67×0.2-0.62
18.1×0.92+3.93 0.0430.24+0.875
0.4×0.7×0.25 0.75×102 100-56.23
0.78+5.436+1 4.07×0.86+9.12.5
1、89+124+11+26+48 2、875-147-23
3.25×125×40×8 4、147×8+8×53
5、125×64 6、0.9+1.08+0.92+0.1
用简便方法计算
①89+124+11+26+48 ②875-147-23
③147×8+8×53 ④125×64
计算下面各题.
1.280+840÷24×5 2.85×(95-1440÷24)
3.58870÷(105+20×2) 4.80400-(4300+870÷15)
5.1437×27+27×563 6.81432÷(13×52+78)
7.125×(33-1) 8.37.4-(8.6+7.24-6.6)
计算。(1∶1)
(1)156×107-7729 (2)37.85-(7.85+6.4)
(3)287×5+96990÷318 (4)1554÷[(72-58)×3]
脱式计算
2800÷ 100+789 (947-599)+76×64
1.36×(913-276÷23) 2.(93+25×21)×9
3.507÷13×63+498 4.723-(521+504)÷25
5.384÷12+23×371 6.(39-21)×(396÷6)
(1)156×[(17.7-7.2)÷3] (2)[37.85-(7.85+6.4)] ×30
(3)28×(5+969.9÷318) (4)81÷[(72-54)×9]
57×12-560÷35 848-640÷16×12
960÷(1500-32×45) [192-(54+38)]×67
138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25 25×32×125 32×(25+125)
178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199
123×18-123×3+85×123 50×(34×4)×3 25×(24+16) 178×99+178
79×42+79+79×57 7300÷25÷4 8100÷4÷75 75×27+19×2 5 31×870+13×310
4×(25×65+25×28) 138×25×4 (13×125)×(3×8) (12+24+80)×50
25×32×125 32×(25+125) 102×76 58×98
178×101-178 84×36+64×84 75×99+2×75 83×102-83×2
98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)
178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75本回答被提问者采纳
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
19.4×6.1×2.3 5.67×0.2-0.62
18.1×0.92+3.93 0.0430.24+0.875
0.4×0.7×0.25 0.75×102 100-56.23
0.78+5.436+1 4.07×0.86+9.12.5
1、89+124+11+26+48 2、875-147-23
3.25×125×40×8 4、147×8+8×53
5、125×64 6、0.9+1.08+0.92+0.1
用简便方法计算
①89+124+11+26+48 ②875-147-23
③147×8+8×53 ④125×64
计算下面各题.
1.280+840÷24×5 2.85×(95-1440÷24)
3.58870÷(105+20×2) 4.80400-(4300+870÷15)
5.1437×27+27×563 6.81432÷(13×52+78)
7.125×(33-1) 8.37.4-(8.6+7.24-6.6)
计算。(1∶1)
(1)156×107-7729 (2)37.85-(7.85+6.4)
(3)287×5+96990÷318 (4)1554÷[(72-58)×3]
脱式计算
2800÷ 100+789 (947-599)+76×64
1.36×(913-276÷23) 2.(93+25×21)×9
3.507÷13×63+498 4.723-(521+504)÷25
5.384÷12+23×371 6.(39-21)×(396÷6)
(1)156×[(17.7-7.2)÷3] (2)[37.85-(7.85+6.4)] ×30
(3)28×(5+969.9÷318) (4)81÷[(72-54)×9]
57×12-560÷35 848-640÷16×12
960÷(1500-32×45) [192-(54+38)]×67
138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25 25×32×125 32×(25+125)
178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199
123×18-123×3+85×123 50×(34×4)×3 25×(24+16) 178×99+178
79×42+79+79×57 7300÷25÷4 8100÷4÷75 75×27+19×2 5 31×870+13×310
4×(25×65+25×28) 138×25×4 (13×125)×(3×8) (12+24+80)×50
25×32×125 32×(25+125) 102×76 58×98
178×101-178 84×36+64×84 75×99+2×75 83×102-83×2
98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)
178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75本回答被提问者采纳
第2个回答 2011-02-14
(1)2x+8=16
(2)x/5=10
(3)x+7x=8
(4)9x-3x=6
(5)6x-8=4
(6)5x+x=9
(7)x-8=6x
(8)4/5x=20
(9)2x-6=12
(10)7x+7=14
(11)6x-6=0
(12)5x+6=11
(13)2x-8=10
(14)1/2x-8=4
(15)x-5/6=7
(16)3x+7=28
(17)3x-7=26
(18)9x-x=16
(19)24x+x=50
(20)6/7x-8=4
(30)3x-8=30
(31)6x+6=12
(32)3x-3=1
(33)5x-3x=4
(34)2x+16=19
(35)5x+8=19
(36)14-6x=8
(37)15+6x=27
(38)5-8x=4
(39)7x+8=15
(40)9-2x=1
(41)4+5x=9
(42)10-x=8
(43)8x+9=17
(44)9+6x=14
(45)x+9x=4+7
(46)2x+9=17
(47)8-4x=6
(48)6x-7=12
(49)7x-9=8
(50)x-56=1
(51)8-7x=1
(52)x-30=12
(53)6x-21=21
(54)6x-3=6
(55)9x=18
(56)4x-18=13
(57)5x+9=11
(58)6-2x=11
(59)x+4+8=23
(60)7x-12=8
(61)X-5.7=2.15
(62)15 5X-2X=18
(62)3X 0.7=5
(63)3.5×2= 4.2 x
(64)26×1.5= 2x (
65)0.5×16―16×0.2=4x
(66)9.25-X=0.403
(67)16.9÷X=0. 3
(68)X÷0.5=2.6
(69)x+13=33
(70)3 - 5x=80
(71)1.8- 6x=54
(72)6.7x -60.3=6.7
(73)9 +4x =40
(74)0.2x-0.4+0.5=3.7
(75)9.4x-0.4x=16.2
(76)12 -4x=20
(77)1/3 x+5/6 x=1.4
(78)12 x+34 x=1
(79)18x-14 x= 12
(80)23 x-5×14 = 14
(81)12 +34 x=56
(82)22-14 x= 12
(83)23 x-14 x= 14
(84)x+14 x= 65
(85)23 x=14 x +14
(2)x/5=10
(3)x+7x=8
(4)9x-3x=6
(5)6x-8=4
(6)5x+x=9
(7)x-8=6x
(8)4/5x=20
(9)2x-6=12
(10)7x+7=14
(11)6x-6=0
(12)5x+6=11
(13)2x-8=10
(14)1/2x-8=4
(15)x-5/6=7
(16)3x+7=28
(17)3x-7=26
(18)9x-x=16
(19)24x+x=50
(20)6/7x-8=4
(30)3x-8=30
(31)6x+6=12
(32)3x-3=1
(33)5x-3x=4
(34)2x+16=19
(35)5x+8=19
(36)14-6x=8
(37)15+6x=27
(38)5-8x=4
(39)7x+8=15
(40)9-2x=1
(41)4+5x=9
(42)10-x=8
(43)8x+9=17
(44)9+6x=14
(45)x+9x=4+7
(46)2x+9=17
(47)8-4x=6
(48)6x-7=12
(49)7x-9=8
(50)x-56=1
(51)8-7x=1
(52)x-30=12
(53)6x-21=21
(54)6x-3=6
(55)9x=18
(56)4x-18=13
(57)5x+9=11
(58)6-2x=11
(59)x+4+8=23
(60)7x-12=8
(61)X-5.7=2.15
(62)15 5X-2X=18
(62)3X 0.7=5
(63)3.5×2= 4.2 x
(64)26×1.5= 2x (
65)0.5×16―16×0.2=4x
(66)9.25-X=0.403
(67)16.9÷X=0. 3
(68)X÷0.5=2.6
(69)x+13=33
(70)3 - 5x=80
(71)1.8- 6x=54
(72)6.7x -60.3=6.7
(73)9 +4x =40
(74)0.2x-0.4+0.5=3.7
(75)9.4x-0.4x=16.2
(76)12 -4x=20
(77)1/3 x+5/6 x=1.4
(78)12 x+34 x=1
(79)18x-14 x= 12
(80)23 x-5×14 = 14
(81)12 +34 x=56
(82)22-14 x= 12
(83)23 x-14 x= 14
(84)x+14 x= 65
(85)23 x=14 x +14
第3个回答 2011-02-14
3x+5X=30 30X÷2=60 6X÷10=6 4X+3X=28 5+X=10 3+x=6 6:X=10 3000:x=2 10*x=100
3*3x=9
25*4*4= 125*64= 3*1*3= 7*10+3*10= (13/18)*5.16+516%*(5/18 )=
3*3x=9
25*4*4= 125*64= 3*1*3= 7*10+3*10= (13/18)*5.16+516%*(5/18 )=