问题标题:
【关于小学四年级下册的简算题和混合运算题各三百题,请高手答复】
问题描述:
关于小学四年级下册的简算题和混合运算题各三百题,请高手答复
聂仙丽回答:
第一种(300+6)x1225x(4+8)125x(35+8)(13+24)x8第二种84x101504x2578x10225x204第三种99x6499x16638x99999x99第四种99X13+1325+199X2532X16+14X3278X4+78X3+78X3第五种125X32X825X32X12588X12572X125第六种3600÷25÷48100÷4÷753000÷125÷81250÷25÷5第七种1200-624-762100-728-772273-73-27847-527-273第八种278+463+22+37732+580+2681034+780320+102425+14+186第九种214-(86+14)787-(87-29)365-(65+118)455-(155+230)第十种576-285+85825-657+57690-177+77755-287+87第十一种871-299157-99363-199968-599第十二种178X101-17883X102-83X217X23-23X735X127-35X16-11X35第十三种64÷(8X2)1000÷(125X4)第十四种375X(109-9)456X(99+1)容易出错类型(共五种类型)600-60÷1520X4÷20X4736-35X2025X4÷25X498-18X5+2556X8÷56X8280-80÷412X6÷12X6175-75÷2525X8÷25X880-20X2+6036X9÷36X936-36÷6-625X8÷(25X8)100+45-100+4515X97+3100+1-100+148X99+11000+8-1000+85+95X28102+1-102+165+35X1325+75-25+7540+360÷20-1013+24X8672-36+64324-68+32100-36+64
高剑锋回答:
120-36×4÷18+35(58+37)÷(64-9×5)(6.8-6.8×0.55)÷8.50.12×4.8÷0.12×4.8(3.2×1.5+2.5)÷1.66-1.6÷4=5.38+7.85-5.37=7.2÷0.8-1.2×5=6-1.19×3-0.43=6.5×(4.8-1.2×4)=5.8×(3.87-0.13)+4.2×3.7432.52-(6+9.728÷3.2)×2.5[(7.1-5.6)×0.9-1.15]÷2.55.4÷[2.6×(3.7-2.9)+0.62]12×6÷(12-7.2)-612×6÷7.2-60.68×1.9+0.32×1.958+370)÷(64-45)420+580-64×21÷28136+6×(65-345÷23)18.1+(3-0.299÷0.23)×1(6.8-6.8×0.55)÷8.50.12×4.8÷0.12×4.8(3.2×1.5+2.5)÷1.63.2×6+(1.5+2.5)÷1.60.68×1.9+0.32×1.910.15-10.75×0.4-5.75.8×(3.87-0.13)+4.2×3.7432.52-(6+9.728÷3.2)×2.5[(7.1-5.6)×0.9-1.15]÷2.55.4÷[2.6×(3.7-2.9)+0.62]12×6÷(12-7.2)-612×6÷7.2-633.02-(148.4-90.85)÷2.5(25%-695%120-36×4÷18+35(58+37)÷(64-9×5)(6.8-6.8×0.55)÷8.50.12×4.8÷0.12×4.8(3.2×1.5+2.5)÷1.66-1.6÷4=5.38+7.85-5.37=7.2÷0.8-1.2×5=6-1.19×3-0.43=6.5×(4.8-1.2×4)=5.8×(3.87-0.13)+4.2×3.7432.52-(6+9.728÷3.2)×2.5[(7.1-5.6)×0.9-1.15]÷2.55.4÷[2.6×(3.7-2.9)+0.62]12×6÷(12-7.2)-612×6÷7.2-60.68×1.9+0.32×1.958+370)÷(64-45)420+580-64×21÷28136+6×(65-345÷23)18.1+(3-0.299÷0.23)×1(6.8-6.8×0.55)÷8.50.12×4.8÷0.12×4.8(3.2×1.5+2.5)÷1.63.2×6+(1.5+2.5)÷1.60.68×1.9+0.32×1.910.15-10.75×0.4-5.75.8×(3.87-0.13)+4.2×3.7432.52-(6+9.728÷3.2)×2.5[(7.1-5.6)×0.9-1.15]÷2.55.4÷[2.6×(3.7-2.9)+0.62]12×6÷(12-7.2)-612×6÷7.2-633.02-(148.4-90.85)÷2.5(25%-695%-12%)*36
-12%)*369.9+3+0.1=(9.9+0.1)+3=10+39.9*12+9.9*88=9.9*(12+88)=9.9*100=990
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