四年级数学上册脱式计算题

1、(420+48)+(375-345)290(34X3+99)4204-(205-198)X44604-(2918+3)(420+48)+(375-345)290(34X3+99)245-(45+39)4204-(205-198)X44-70(140-70)X5426X6-110(40-4)X2516X76-76X6245-(45+39)45+2404-12(140-70)X5426X6-110(40-4)X2516X76-76X6245-(45+39)4604-(29-184-3)426-2794-384X3-1364-855+720-r(40-35)(38+42)X(5254-35)28X(

2、2464-6-32)106X64-336X4+27X3(338+89-19)4-34892-(90+56X2)脱式计125X(8X4)X54604-(29-184-3)63+84X2+4215X7+85X724004-80-14X299X53+53125X(8X4)X5124+78+2263+84X24-42(46-20)X30-9024004-80-14X299X53+5341X25-25(960-400)4-7098-19X4+62(32+28)X6(220-180)4-8(135-72)4-7340-2404-20X5244-8X302(135-25)+40X6(640+7504-15)

3、X1569X(800-700)4-541X25-25(960-400)4904-7+24X5(46-20)X30-90108-(83+3604-60)142-544-9+14450-2X(16+9)41X25-25(960-400)4-70100-35-254904-7+24X515X7+85X7108-(83+3604-60)142-544-9+14450-2X(16+9)4204-(205-198)X443+3154-551+121X732513义(266-250)36X(28+7+23)7214-7X5(58+12)X(964-8)524-4X3018X(79-58)4-27(72-57

4、)X3825X4+32082+2+5932+8+1258X5+32+4152)804-2+100+45-20X34-420X30+20X25X(30+10)600+(120+(26+14)X7090+(30X154-(35+45)+(90-10)206X3-1284-41684-12-48-r1232X5X6-631X13-2284-19776-(73X6+5140-20X5+2540800+40-400+4060)(26+14)X(70-40)50)(482-42)-r22-171824-13+2084-1348+424-6-12(156+224+32)X80574-3-125254-21-

5、3784-2160-(304-3+3)345+(128-5314-9)25X(22+26X6X10-(21+29)3)804-(32+8)X3003000-(32+8)X30320-(120+25X4)30X169-(60+9)364-(3+6)X245015+10X31804-(364-12)+6(40+180+30)X22)800-8004-80X30(240+180)4-(30X800-(70X6+180)36+3604-1265X(40+20X3)5X121+79X567X5-37X545X6+35X639X8-6X3990-110X90326X78-326X68120X125X(8+

6、4)X27+63X512X(40-5)64X9-14X948+68X5223X134-34X2368X48X101-4879X32+79X68101-67256X7-56X767X65X50+35X50X70+38X704X(25X65+25X28)125X47-47X2519574-19)86+14500+(2088+36)+2.(804-20+80)4-4(80-25)X2340X(120-404-8)120-36X44-18+353604-40+10(350-80)4-945X(720-(58+37)-r(64-9X5)40X20-2003604-(12+6)X52884-(26-14)X84-2564-(87-42)X15(845-15X3)4-1612X(49-28)+7812-7004-(9+31X11)85+14X4504-(84-48)4-12(58+37)+(