小学四年级下册数学计算题练习

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1、小学数学四年级下册计算练习1、用递等式计算:17+83-256X(4X25)29X(3+9)41X3-76—243X4-65X236X13-552-r8125-544-9564-(102-94)+1260X(354-7)+868X(54-49)-33284-27X473-6X12+34960一5+56X20694-3X(85-65)(76+54)4-5814-(21-12)X13168一4+17X6(18-18)一(18+18)1454-5X613X24一12179—4X9*627+(18-12)X7(119-8)4-363+24一8-2X3二7552-18X2+31(32-14)一(3

2、64-6)(75+25)X(43-36)125-15一543X4-65X212X(78-69)(75+25)X(43-36)0X54+84一343X4-644-8694-3X(85-65)(585-235)4-14X663+(244-8)-2X335+24X2一837+9X(36-12)510-(48+484-6)494-7X(81-72)246一(26+15)X235+24X(244-8)(78-29)4-7X12(466-25X4)4-6(395+26X5)4-235X80-306(35+46)4-(356-347)32004-(1208-72X14)2144-2X3+4218X(7

3、9-79)4-2741X(32-14)4-6200-26+480一60(50-25X2)X162、怎样简便就怎样计算。362+233+13889+101+11135X103526+327+274999+99+9125X4X8X25182+765+108728+5984X7X5X824+128+476+572256+249+251+246+2538X(125X9)368+2649+135125X18X4(25+12)X437X28+63X2848X35+52X35694-36+4225X32X12519X37+81X37+4345X405457-188-15725X64X12585X32-

4、85X2845+65-45+65125X4825X34X40812-47-153-112618-(352-272)60X(13+45)6X7X5X8576-(176+280)7504-54-2(13+50)X2075+43-75+4312804-54-128201X1278X99+7825X24226X99+226125X25X8X4125X24698-432+502-36899X28125X32X25462+74+138+12624X9-24X742X35+58X35+6725X161504-254-254X47-54X37-3867X99+67125X72398-305125X(8+

5、80)573-(173+85)125X243200^44-25125X23X8(650-180)X5+5603504-142884-48+12X481843-454-9X2425X(4X8)3800-5684-8X101999+999X999(25+18)X4573-174-12638X62+38X3839+52+161+4253+99X5375X14—70X1489X101102X17101X3820004-1254-8480-(32+324-4)12X9868X12-68X2125X32X2555X99+559+99+999+999955X83+44X83+8355X99(18+18

6、+18+18)X2579X25-39X2512X29+1248X37+63X48101X27-2758X199+5899X21+21716-(216+45)42X79+4252X89357+288+14338X25X469X101—69129+235+171+16535X2X555X21—55378+527+73(60X25)X4125X(80+8)167+289+33(125X5)X8=125X(80X8)58+39+42+6125X17X4二125X32X2575+34+125+366(25X125)X(8X4)99X99+99125+75+32038X125X8X338X7+31X

7、14153+38+1625X289X225X46+50X27163+32+137+268125X5X8X279X25+22X25—25158+395+1059X8X12548+25+175822+197+7843X25X4578+143+22+5725X125X32125X50X2128+89+72(15X25)X442X125X860X25X425X1643X36+57X36125X5X825X2419X67+19X3325X17