(116)X34200,(117)6X7X650,
标准文案
实用文档
(118)14×705X800,(119)44X52(120)91X46,(121)X1677,(122)X×29348,(123)35×X210,(124)X÷3279,
f(125)8640÷X320,(126)840×X840,(127)420X×51670,(128)1224÷X109211,(129)5x÷2130(130)109x199(131)5(x5)355
标准文案
实用文档
(132)6x1551,(133)3(x8)27,(134)x÷2882,(135)14x7x56,(136)7χ2×980,(137)75χ42,(138)2643x363
f(139)3x2x65(140)2x5×28
(141)534x3060(142)463x133(143)7x÷421(144)3x915
(145)x÷126
标准文案
实用文档
(146)136x60(147)x×342924,(148)186×x2604,(149)x7231280,(150)8670÷x15,(151)x÷28147,(152)7083x3465,
f(153)3x520,(154)40x20x120,(155)405x30,(156)7x50160(157)3217x40(158)8x÷440(159)915x36
标准文案
实用文档
(160)8(2X7)5(X13),(161)3(x45)60,(162)X÷113,(163)13(X5)169,(164)4X9×7342,(165)2X97342,(166)4x5×612,
f参考答案:
(1)48x1x98,49x98,49x98÷49,x2;
(2)3x÷7120,3x÷7×7120×7,3x840,3x÷3840÷3,x280,
(3)15x5x43,16x543,
16x55435,16x48,x3.
(4)2x55x7,2x52x5x72x,3x75,3x7757,3x12,3x÷312÷3,x4;
(5)3(x2)25(x2),3x6125x,
3x65x125x5x,8x612,
8x66126,8x18,
8x÷818÷8,x225;
(6)4x3(20x)40,7x560,
7x5656056,7x56,
7x÷756÷7,x8;
(7)4x2(8x)26,2x1626,
2x16162616,2x10,
2x÷210÷2,x5.
(8)7x5x212,2x14,x7;
(9)3x7322x,3x2x327,
标准文案
实用文档
5x25,x5(10)2(x2)33x5,2x433x5,2x153x55,
2x63x,2x62x3x2x,
x6(11)8(x2)2x8,
8x16162x816,8x2x24,
8x2x2x242x,6x24,
6x÷624÷6,x4
(12)3×(2x7)45,3×(2x7)÷345÷3,2x77157,2x÷28÷2,x4
(13)164÷28311x,11x165,
11x÷11165÷11,x15;
(14)5628x12,84x12,
84xx12x,12x84,
12x128412,x72
(15)8X20X84,x(820)84,28x84,28x÷2884÷28,x3;
(16)205x5,205x5x55x,55x20,55x5205,5x15,5x÷515÷5,x3
(17)72x90,72x9909,72x9,72x797,2x2,2x÷22÷2,x1;
f(18)13x9×520,13x4520,
13x45452045,13x65,
13x÷1365÷13,x5
(19)3x511x,3x5x11xx,4x55115x,4x÷416÷4,x4
(20)3x5x1,3x5xx1xr