四年级下册四则运算-含有中括号的计算题.docx

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÷(3O×l5÷5O)6×58-(174+89)(75+49)÷(75-44)25×(22+576÷32)2.180÷36÷(12+6)75×12+280÷3548×(32-17)÷30(564-18×24)÷÷210÷(750÷25)576÷(33+15)(736÷16+27)X-17×45(87+16)X(85-69)3.680+21×15-360175-(49+26)×÷18+35×19(29+544÷34)××(304-286)÷÷4×(56-35)(132+68)×(97-57)848-800÷16×1236+300÷÷(72021×33)450÷(15+10)×3(45+38-16)×-(240+38×6)64-(87-42)×15(7100-137-263)÷÷(8+6)×242×169-(78+35)72÷960÷(245-165)540÷(3+6)×2492-(238+192)×÷40+40×÷1200÷(600÷15)960-720÷8×9520+22×(15+45)250+240÷8×5900÷2×(320-290)160+740÷20(270+31×9)600-(165+35×3)196+(84-12)×-137-263+÷36+29×3320-50×4÷2512×(34+46)÷32(53+47)×(86-24)720+34x18-340(120-54)×(42+98)203-(25+75)×÷240÷(36÷3)120÷24-20÷4900÷(120-20×3)4.115-15+20×35.32×18-540÷45(900-16×35)÷346.(300+180÷5)×÷(30-10)+57.240÷15×(351-347)480÷(60+10×2)8.675-600÷15×÷(187+18)÷419.12×(76+57)÷19840÷(320÷80)10.768÷8×(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.whichequals6400.840dividedby15multipliedby32-28.whichequals840dividedby60.whichequals14.490dividedby210dividedby360dividedby12equals490dividedby30.whichequals16.33.640dividedby140dividedby630dividedby9equals640dividedby70.whichequals9.14.14multipliedbythequantityof845-245dividedby12equals14multipliedby50dividedby12.whichequals58.33.Thequantityof28plus32multipliedby90minus40equals60multipliedby50.whichequals3000.130multipliedbythequantityof600minus235dividedby73equals130multipliedby365dividedby73.whichequals650.14multipliedbythequantityof860minus260dividedby15equals14multipliedby40dividedby15.whichequals37.33.909minus36multipliedby350dividedby14equals909minus900.whichequals9.72dividedby2multipliedby105minus87equals72dividedby2multipliedby18.whichequals36.Thequantityof368minusthequantityof132plus129multipliedby34equals368minus3multipliedby34.whichequals266.Thequantityof668minusthequantityof132plus245dividedby97equals668minus377dividedby97.whichequals664.89.480dividedby4multipliedby50minus40equals480dividedby4multipliedby10.whichequals120.