分析:根據(jù)分?jǐn)?shù)四則混合運算的運算方法進行計算即可得到答案.
點評:此題主要考查的是分?jǐn)?shù)的四則混合運算的運算方法.
練習(xí)冊系列答案
相關(guān)習(xí)題
科目:小學(xué)數(shù)學(xué)
來源:
題型:閱讀理解
1.
(1)438+203 |
(2)256+199 |
(3)416-302 |
(4)325-198 |
(5)278+498 |
(6)3.6+2.7+6.4+7.3 |
(7)+++2 |
(8)1.3+4.25+3.7+3 |
(9)1874-324-476 |
(10)5-1.4-1.6 |
(11)30-8.12-4.13-7.75 |
(12)-+ |
(13)4.3-2.45+5.7-6.55 |
(14)125×48 |
(15)25×32 |
(16)35×1.4 |
(17)1.25×88 |
(18)0.25×444 |
(19)32×0.25×12.5 |
(20)25×80×0.04×125 |
(21)1.9×4×0.5 |
(22)25×1.25×4×0.8 |
(23)(1.6+1.6+1.6+1.6)×2.5 |
(24)(0.7+0.7…+0.7)×12.5(80個0.7相加) |
|
|
(24)9.9×8.6+8.6 |
(25)99×5.4 |
(26)4.8×1.01 |
(27)95×101-95 |
(28)95×102-190 |
(29)95.6×18+0.4×18 |
(30)(-+)×12 |
(31)(+-)÷ |
(32)24×(+-) |
(33)24÷(+-) |
(34)1.25×3.6+1.25×3+1 |
(35)3.3×+0.75×5+75% |
(36)2×6.6+7.5×6 |
(37)9.56×180-95.6×8 |
(38)4.8×37+47×6.3 |
(39)9.5×8.8+0.12×95 |
(40)×21 |
(41)×33 |
(42)÷ |
(43)÷ |
(44)÷42 |
(45)6×0.75+5×-3÷4 |
(46)5.4÷1.2÷5 |
(47)270÷18 |
(48)120÷(1.2×4) |
(49)73÷0.8÷12.5 |
(50)16÷2.5 |
(51)48÷1.25 |
(52)-(-)+ |
(53)84-(54-16) |
(54)84-(54+16) |
(55)9999×7778+3333×6666 |
(56)3.6×31.4+43.9×6.4 |
(57)(+)× |
(58)×+÷ |
(59)-- |
(60)×-× |
(61)×÷× |
(62)-×- |
(63)×[÷(+)] |
(64)(0.9+5)×3+2.3 |
(65)56× |
(66)+÷+ |
(67)(+)÷(+) |
(68)÷(-) |
(69)(-)÷ |
(70)7.2÷(5-0.75-0.25) |
(71)6.4+3.6÷0.5+4.5 |
(72)(6.4+3.6)÷0.5+4.5 |
(73)495÷55+495÷45 |
(74)8÷0.4+8÷1.6 |
(75)0.9+99×0.9 |
(76)5.28-(1.62+2.28) |
(77)-+ |
(78)4×(+) |
(79)+++ |
(80)2-(+)- |
(81)×+× |
(82)×+× |
(83)×9+ |
(84)(5+)× |
(85)(+)×24 |
(86)(20+)× |
(87)×39× |
(88)×(+) |
(89)(-)×12 |
(90)×(26×) |
(91)+++ |
(92)17×- |
(93)(+)× |
(94)(+)÷ |
(95)(+)÷3 |
(96)(-)÷ |
(97)÷+÷ |
(98)×(10+) |
(99)(21+)÷ |
(100)×+× |
(101)÷+÷ |
(102)(-)÷ |
(103)×++ |
(104)_×- |
(105)-(÷+) |
(106)+×+ |
(107)1-÷- |
(108)×+÷4 |
(109)5-(4+) |
(110)1125-997 |
(111)7.46-0.83-2.17 |
(112)12.85-1.17-8.83+1.15 |
(113)4.5×102 |
(114)0.4×6.3×25 |
(115)(4.9+4.9+…+4.9)×2.5(16個4.9相加) |
(116)7.5×199 |
(117)(+)×36 |
(118)1.2×5.7-1.2+5.3×1.2 |
(119)0.825×102-82.5 |
(120)46× |
(121)560÷16÷5 |
(122)3÷2.5 |
(123)84+(54-16) |
(124)+++ |
(125)-(÷+) |
(126)3×(+)+ |
(127)7.2÷(5-0.75+0.25) |
(128)725÷25+275÷25 |
(129)×× |
(130)×45-÷ |
(131)48×(-) |
(132)×+× |
(133)(32+)÷4 |
(134)÷÷ |
(135)46× |
(136)×+÷9 |
|
查看答案和解析>>
科目:小學(xué)數(shù)學(xué)
來源:
題型:
計算:12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23.
查看答案和解析>>
科目:小學(xué)數(shù)學(xué)
來源:
題型:
直接寫出下列各題的得數(shù),你是最快的! 2.1+3.4=5.5 5.5 |
720-80= 640 640 |
2.6-1.7= 0.9 0.9 |
1.4-0.6= 0.8 0.8 |
0.3×40= 12 12 |
1.25×3×8= 30 30 |
3.8×0= 0 0 |
0.9+99×0.9= 90 90 |
7÷1.4= 5 5 |
390×0.02= 7.8 7.8 |
2.5+1.8= 4.3 4.3 |
6.5×4×0.2= 5.2 5.2 |
8×= |
÷= |
44÷= 40 40 |
4×(0.6+1.9)= 10 10 |
+= |
0.9-0.26= 0.64 0.64 |
14.5+9.5= 24 24 |
(0.18+0.9)÷9= 0.12 0.12 |
18÷36= 0.5 0.5 |
1.9×4×0.5= 3.8 3.8 |
7.2÷8×4= 3.6 3.6 |
78-0.8= 77.2 77.2 |
62-35= 27 27 |
20×5.5= 110 110 |
1.68+1.5= 3.18 3.18 |
×12= 9 9 |
8.3+1.7= 10 10 |
11.3-8.6= 2.7 2.7 |
2.4-0.5= 1.9 1.9 |
÷= |
+= 2 2 |
3.25×4= 13 13 |
÷2= |
÷3= |
24×5= 120 120 |
0.77+0.33= 1.1 1.1 |
×= |
12.6÷3= 4.2 4.2 |
3.14×25= 78.5 78.5 |
3.14×36= 113.04 113.04 |
0.082= 0.0064 0.0064 |
8л= 25.12 25.12 |
1.4: 1.75 1.75 ==8 8 ÷10=80 80 % |
查看答案和解析>>
科目:小學(xué)數(shù)學(xué)
來源:
題型:
準(zhǔn)確計算:
42× |
×11 |
×15 |
× |
× |
× |
3×28 |
+× |
×(+) |
15×- |
(-)×12 |
×36+ |
18-16× |
×(-) |
×- |
12×(+) |
×- |
(-)×24 |
×4+ |
×9- |
×-× |
×-× |
91× |
×13- |
69×(×) |
×81 |
16.87-+3.23-. |
查看答案和解析>>
科目:小學(xué)數(shù)學(xué)
來源:
題型:
20-2.91= |
2+0.5= |
6÷= |
+= |
10×= |
3-= |
8×3÷3= |
(0.75-)×75%= |
×6÷×6= |
查看答案和解析>>