小学毕业小升初计算题脱式计算解方程解比例简便计算

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小学毕业计算题(脱式计算,解方程,解比例,简便计算)
脱式计算
(21+31)÷21-31811÷〔(51-101)×25
8853-11457÷57×41(21-83)÷(4+85)

51×21÷51×2
1
(6.25-40÷16)×3.5

(31+41)×(35÷65)15-103÷(54-43)
(73+23)×257÷109[4×(43-83)]×294
7.8÷〔1.6×(1-83)+6.8〕751×2.8÷(1.5-0.3)
18÷1.5-0.5×0.31615+(167-41)÷21
(53-41×54)÷(43-53)23×4.4÷(3.3+5.9)

161÷〔251×(52+10
1
)〕1.56÷0.3×(0.74-0.58)

53÷21×65-3
2
8358-11859÷59×41

21÷32-52+41(32+81)×(21-19
9

1.9-17.86÷9.4+191110÷〔56×(73-83)〕
(125-185)÷121-3215×103÷(54-43)

65×5÷6
5
×52.05-0.81÷2.7×4.5

1÷2.5+2.5×4(51+101)×(4-31)
(65-43)÷125+595-(61-61×52)
14.8-44.08÷5.84.8÷(0.3×0.2+0.18)

21×31÷21×31(1211-43)÷(2-2
1

41÷(1―21―4
1
)0.4×(3.85-0.4)÷13.8

〔1-(83-41)〕÷1693.2×0.25-2÷4
2-136÷269-15453÷〔(98-65)×209〕
解方程:
3X-1.2×3=1.2X-101X=18
0.4X+7=1034×(X-21)=8
0.25+41X=235X-65=125
1.2×(3.8+X)=10.854X-120×51=24
(54×75)X-2=216.4-5X=4.4
0.8×(X-0.8)=8X-103X=49

1511-53X=1543X-21X=41×21
20

1-43X=0.8103X+41X-55=110
0.3︰X=3145︰X=325

3
2
X+81÷165=1075X-65=125

1-54X=0.643X-41X=21
X-83X=40X︰20=65
2X+4.5×8=897X÷21=53
X+43X=87X×(85+65)=207
6X+23X=9X×31×54=8

85-X=16532X-5
1
X=10

3.5X+1.8=12.35X÷2=10
X-41X=354X-21=58
2X÷5-1.5=1.5(X-10)×87=56
0.6X﹕2=0.45X-83X=223
简便计算:
65×17+61×172.25×3.14++77.5×0.31431×95+94×3
1
73+97+71÷417
9
-173-1714

91+114+98+117185-(97-18
13

24×(65+121-83)113+74+118-73
15.7-2.39-3.61101×0.67

75×43+43×7
2
2.5×7.3×4

1.25×3.2×2.58.9×99+8.9
87×863125×41+875÷4
27.5×1.25×8(65+65+65+65)×43

74×1.8+19.2×74(365+8
5
)×72

6.13-32-315325-432-7.25
76×81+24×0.12532.6+277+67.4
3452-19981159+2999
(32-74)×21+54(4154)÷10172
0.25×32×12.576×1.04+1.04×25-1.04
24×514319435116×)819(32
(32)54215418×()97621
15.64-74+4.36-73(9524)83127
7.5×2.37+25×0.18960×()21154125
(121)3220915820-[(12]65)3121
解比例:
x:10=41:310.4:x=1.2:2
4:2=x:321:51=41:x
0.8:4=x:842:x=3:12
1.25:0.25=x:1.69:2=x:8
x:36=3:54x:32=6:2524
x:5.4=2:2745:x=18:26
2.8:4.2=x:9.6101:x=81:41
2.8:4.2=x:9.6x:24=43:31
8:x=54:4385:61=x:121
0.6:4=2.4:x6:x=15:13
0.6:12=1.5:x34:15=x:45
1112:45=2536:xx:114=0.7:12
10:50=x:401.3:x=5.2:20
x:3.6=6:1813:120=169:x
4:60=8:x3:8=x:64
x:0.6=31:432:73=97:x

7x=5.36.0x:21=41:8
1

145:75=0.3:χ43:5
3
=χ:12

χ:43=12:31.25:5=0.75:χ

21:χ=43:631:χ=51:7
6

10x=2
1.0
4:6=15:χ