三年级数学下册脱式计算题300题

三年级数学下册脱式计算题300题同学们在书写时，要注意等号要上下对齐，每一步的计算过程都要写清楚，这样既能保证计算正确，也方便检查。三、脱式计算题练习接下来，就请同学们认真完成下面的练习题吧！请务必按照脱式计算的格式进行书写，一步一步仔细计算。（一）基础巩固篇（100题）1.只有加减法1.35+20+182.67-23-153.48+32-294.90-54+265.22+58+116.85-37-287.19+76-458.60-25+479.33+49+1210.72-18-3511.56+27-3112.88-49+2313.29+36+2514.95-62-2115.41+59-3816.70-33+5517.18+64+1718.81-26-3519.37+48-5220.63-19+422.只有乘除法21.4×5×222.36÷6÷323.7×8×124.81÷9÷325.2×9×426.54÷6÷327.5×6×328.48÷8÷229.3×7×330.63÷7÷331.6×4×232.72÷8÷333.8×2×534.45÷5÷335.9×3×236.32÷4÷437.2×8×438.64÷8÷239.5×9×240.56÷7÷4（二）提升练习篇（100题）3.先算乘法，再算加减41.15+5×642.8×3+2643.60-7×744.9×4-2545.28+6×546.4×9+3747.70-5×848.8×6-3049.33+7×450.5×5+4551.92-6×952.7×8-4253.46+9×354.3×7+5955.80-4×656.6×9-2857.25+8×758.10×4+3659.100-8×860.9×7-434.先算除法，再算加减61.36+24÷662.48÷8+1963.50-35÷564.63÷7-565.29+40÷566.56÷7+3267.72-54÷668.42÷6-469.17+63÷970.72÷8+2571.81-72÷972.35÷5-673.31+28÷474.64÷8+4775.90-40÷476.54÷9-377.22+36÷678.49÷7+5379.65-56÷780.30÷5-25.带小括号的两步运算81.(12+18)÷582.3×(25-17)83.(67-59)×484.48÷(11-5)85.(33+27)÷686.5×(36÷6)87.(72-63)×888.63÷(15-8)89.(24+36)÷990.7×(45÷9)91.(80-56)÷392.9×(12-7)93.(41+19)÷1094.54÷(3×3)95.(63-42)÷396.8×(2+5)97.(35+21)÷798.40÷(14-9)99.(50-26)×2100.6×(30÷5)（三）拓展应用篇（100题）6.含有两步乘法或除法的运算101.2×3×9102.72÷8÷3103.4×5×6104.64÷4÷4105.3×6×5106.81÷9÷3107.5×2×7108.48÷6÷2109.6×3×4110.90÷9÷2111.7×4×2112.56÷7÷4113.8×5×2114.36÷6÷3115.9×2×3116.42÷7÷2117.2×8×5118.63÷9÷7119.3×3×8120.54÷3÷67.先乘除后加减（数字稍复杂）121.23+5×7122.6×8+39123.80-9×6124.7×7-28125.46+4×9126.8×5+47127.95-6×8128.9×4-17129.38+7×6130.3×9+52131.76-8×7132.5×10-35133.51+6×6134.10×7+23135.88-5×9136.4×8-12137.29+9×4138.6×7+31139.90-7×5140.8×9-468.带括号的混合运算141.(15+25)÷8142.4×(30-22)143.(76-68)×5144.56÷(13-6)145.(28+44)÷9146.6×(42÷7)147.(81-73)×6148.72÷(18-9)149.(36+48)÷12150.8×(54÷6)151.(90-54)÷4152.7×(14-8)153.(55+35)÷15154.63÷(3+4)155.(68-40)÷7156.9×(2+6)157.(49+21)÷10158.50÷(16-11)159.(37-19)×3160.5×(36÷4)9.两步混合运算（综合）161.30+24÷4162.5×(28÷7)163.72-36+25164.48÷6×5165.(17+23)×2166.63÷7+49167.8×9-54168.90-(26+35)169.25+3×8170.56÷(8-1)171.42+58-39172.6×6÷4173.(33-15)÷6174.70-40÷5175.18+7×7176.81÷9×3177.(45+36)÷9178.9×4+27179.100-7×10180.64÷8+5310.两步及以上混合运算（稍有挑战）181.2×4×7182.96-6×8-12183.36÷6+2×5184.(12+24)÷6×3185.7×8-20+15186.45+54÷9-18187.6×(3+5)-28188.81÷9÷3+25189.30+4×6-17190.(50-14)÷4×2191.5×7+3×6192.72-48÷8-30193.24÷3+5×7194.(8+16)÷4+9195.9×3-15+27196.60-35÷5+23197.8×(10-6)