,2x51,2x5515,2x6,2x÷26÷2,x3;
(21)3(x5)123,3(x5)÷3123÷3,x541,x55415,x46
(22)3x16×4119,3x64119,
3x646411964,3x183,
3x÷3183÷3,x61;
(23)3(x12)23353x3623353x13353x131335133x483x÷348÷3x16
(24)7x2083,7x20208320,7x63,7x÷763÷7,x9;
(25)7x10÷219,7x519,
7x55195,7x÷714÷7,x2;
标准文案
实用文档
(26)3x÷1275,3x75×12,
3x÷3900÷3,x300;
(27)4x3(20x)5x4x603x5x7x605x7x605x5x5x2x6002x60x30
(28)4x2(79x)192,4x1582x192,2x158192,2x158158192158,2x÷234÷2,x17.
(29)32044505XX,32044506X,
32044504506X450,2754÷66X÷6,X459;
(30)(5x)x98÷2,52x49,
52x5495,2x÷244÷2,x22
(31)76(x2)52x3276x15252x32
76x15215252x3215276x52x120
76x52x52x12052x24x120
24x÷24120÷24x5
(32)3(x12)2(x4)3x362x8
3x36362x8363x2x28
3x2x2x282xx28
(33)3(x2)4(x1),3x64x4,
3x63x4x43x,x46,
x4464,x2
f(34)4(x9)84(x9)÷48÷4
x92x9929
x11(35)8x(52x)45
8x52x4510x5545510x÷1050÷10
x5(36)6000x3085,
6000xx3085x,3085x6000,
3085x308560003085,x2915;
(37)29×x2958,29×x÷292958÷29,x102;
(38)41600÷x320,41600÷x×x320×x,320x41600,320x÷32041600÷320,x130
(39)183x54÷18,183x3,
183x3x33x,33x18,
33x3183,3x15,
3x÷315÷3,x5;
(40)(x5)÷2108(x5)÷2×2108×2,
x5216,x552165,
x211;(41)4x123×8,4x12123×812,
4x36,4x÷536÷4,
x9(42)234x71
234x2371234x÷448÷4x12
(43)3x÷430
标准文案
实用文档
3x÷4×4÷330×4÷3x40
(44)915x36915x5x3636365x
5x÷555÷5x11
(45)3x2x255x25
5x÷525÷5x5
(46)243x18243x3x183x183x24183x1824183x63x÷36÷3x2
(47)8x2×5268x1026
8x101026108x16
8x÷816÷8x2
(48)6x4x16010x160
10x÷10160÷10x16
(49)6x121086x1212108126x1206x÷6120÷6x20
(50)9x5x8414x84
14x÷1484÷14x06
(51)5x2555x2525525
5x305x÷2530÷5
x6(52)10x8x2
2x22x÷22÷2
x1
(53)2x23×4134
f2x921342x929213492
2x422x÷242÷2
x21(54)3xx626
4x662664x20
4x÷420÷4x5
(55)X÷1092723X÷10950
X÷109×10950×109X5450;
(56)(5694827)÷X2845396÷X284
5396÷X×X284×X284X5396
284X÷2845396÷284X19;
(57)100×(X100)12000100×(X100)÷10012000÷100
X10012X100100120100
X20(5r