小学四年级数学（上册）人教版170305100×137×145481371918×263×341052789894257243370282863318083
小学五年级数学（上册）CBB×4.38×98=4.38×(100-2)=4.38×100－4.38×2=438-8.76=429.24×3.6＋2.4×0.08=3.6+0.192=3.792×0.25×8×0.4...
小学五年级数学（上册）5＋(5－2)×1.5＝9.5(元)答：应交停车费9.5元。(78－30)×1.5＋5＝18.92(元)答：需交18.92元的上网费。0.6×48＝28....
小学五年级数学（上册）16够3315不够58.5×2＋48.8+28.6＝194.4(元)194.4＜200够了或58.5不到60,58.5×2不到120,48.8不到50,28.6不到30，总...
小学五年级数学（上册）4040.039.98四1.0943.851.55.7755.78十分百分7.5×4.322530032.2532.38.2×0.941887527.7087.71.12×7.66727848.512...
小学五年级数学（上册）36.963.6960.036960.3696＝＜＞＞4.982.6860.00542.3752.5×6.88=17.2(dm)=1.72(m)答：犯罪嫌疑人的身高大约是1.72m...
小学五年级数学（上册）BCBA3.12×7.041248218421.96483.78×2.518907569.4500.24×3.6248144720.86883.62×0.2414487240.8688验算：21.8×...
小学五年级数学（上册）两两四0小数点0.08640.0.00.36×3.51801081.2601.260.024×0.15120240.003600.003634.57.512.50.961.440.2882.28大...
小学五年级数学（上册）4201.2264.1276.310001002.12810100021281000两位四位小数点小数点因数右边小数点6.8×1.3204688.848.847.1×0.3428...
小学五年级数学（上册）6.233282.518727.21001.401009.638.4整数积....12.6×8100.84.05×312.15100.812.15360036363.615.6×4=62.4（元）答：妈妈花了62.4元钱。
