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1、四年级下册四则运算-含有中括号的计算题四年级数学下册的练题目包括递等式计算(脱式计算)。要求学生在练本上写出带名称的计算过程。以下是一些例子：1.540(3Ol55O)658-(174+89)(75+49)(75-44)25(22+57632)2.18036(12+6)7512+2803548(32-17)30(564-1824)210(75025)576(33+15)(73616+27)X-1745(87+16)X(85-69)3.680+2115-360175-(49+26)18+3519(29+54434)(304-286)4(56-35)(132+68)(97-57)848-80016
2、1236+300(7202133)450(15+10)3(45+38-16)-(240+386)64-(87-42)15(7100-137-263)(8+6)242169-(78+35)72960(245-165)540(3+6)2492-(238+192)40+401200(60015)960-72089520+22(15+45)250+240859002(320-290)160+74020(270+319)600-(165+353)196+(84-12)-137-263+36+293320-5042512(34+46)32(53+47)(86-24)720+34x18-340(120-54
3、)(42+98)203-(25+75)240(363)12024-204900(120-203)4.115-15+2035.3218-54045(900-1635)346.(300+1805)(30-10)+57.24015(351-347)480(60+102)8.675-60015(187+18)419.12(76+57)19840(32080)10.7688(76-68)以上是数学下册的练题，希望学生们能够认真完成。440-280multipliedby300-260equals160multipliedby40.whichequals6400.840dividedby15multipl
4、iedby32-28.whichequals840dividedby60.whichequals14.490dividedby210dividedby360dividedby12equals490dividedby30.whichequals16.33.640dividedby140dividedby630dividedby9equals640dividedby70.whichequals9.14.14multipliedbythequantityof845-245dividedby12equals14multipliedby50dividedby12.whichequals58.33.The
5、quantityof28plus32multipliedby90minus40equals60multipliedby50.whichequals3000.130multipliedbythequantityof600minus235dividedby73equals130multipliedby365dividedby73.whichequals650.14multipliedbythequantityof860minus260dividedby15equals14multipliedby40dividedby15.whichequals37.33.909minus36multipliedb
6、y350dividedby14equals909minus900.whichequals9.72dividedby2multipliedby105minus87equals72dividedby2multipliedby18.whichequals36.Thequantityof368minusthequantityof132plus129multipliedby34equals368minus3multipliedby34.whichequals266.Thequantityof668minusthequantityof132plus245dividedby97equals668minus377dividedby97.whichequals664.89.480dividedby4multipliedby50minus40equals480dividedby4multipliedby10.whichequals120.
