四年级脱式计算题500道.doc

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1、.1.3/7×49/9-4/3 2.8/9×15/36+1/27 3.12×5/6–2/9×3 4.8×5/4+1/4 5.6÷3/8–3/8÷6 6.4/7×5/9+3/7×5/9 7.5/2-（3/2+4/5） 8.7/8+（1/8+1/9） 9.9×5/6+5/6 10.3/4×8/9-1/3 11.7×5/49+3/14 12.6×（1/2+2/3） 13.8×4/5+8×11/5 14.31×5/6–5/6 15.9/7-（2/7–10/21） 16.5/9×18–14×2/7 17.4/5×25/16+2/3×3

2、/4 18.14×8/7–5/6×12/15 19.17/32–3/4×9/24 20.3×2/9+1/3 21.5/7×3/25+3/7 22.3/14××2/3+1/6 23.1/5×2/3+5/6 24.9/22+1/11÷1/2 25.5/3×11/5+4/3 26.45×2/3+1/3×15 27.7/19+12/19×5/6 28.1/4+3/4÷2/3 29.8/7×21/16+1/2 30.101×1/5–1/5×21 31.50＋160÷40（58+370）÷（64-45） 32.120-144÷18+35

3、 33.347+45×2-4160÷52 34（58+37）÷（64-9×5） 35.95÷（64-45） 36.178-145÷5×6+42420+580-64×21÷28 37.812-700÷（9+31×11）（136+64）×（65-345÷23） 38.85+14×（14+208÷26） 39.（284+16）×（512-8208÷18） 40.120-36×4÷18+35 ....41.（58+37）÷（64-9×5） 42.(6.8-6.8×0.55)÷8.5 43.0.12×4.8÷0.12×4.8 44.（

4、3.2×1.5+2.5）÷1.6（2）3.2×（1.5+2.5）÷1.6 45.6-1.6÷4=5.38+7.85-5.37= 46.7.2÷0.8-1.2×5=6-1.19×3-0.43= 47.6.5×（4.8-1.2×4）=0.68×1.9+0.32×1.9 48.10.15-10.75×0.4-5.7 49.5.8×（3.87-0.13）+4.2×3.74 50.32.52-（6+9.728÷3.2）×2.5 51.[（7.1-5.6）×0.9-1.15]÷2.5 52.5.4÷[2.6×（3.7-2.9）+0.62

5、] 53.12×6÷（12-7.2）-6（4）12×6÷7.2-6 1.[(5.84-3.9)/0.4+0.15]*0.92 2.4.38/(36.94+34.3*0.2) 3.(284+16)*(512-8208/18) 4.5.4/[2.6*(3.7-2.9)+0.62] 5.[(7.1-5.6)*0.9-1.15]/2.5 6.32.52-(6+9.728/3.2)*2.5 7.5.8*(3.87-0.13)+4.2*3.7 8.8/9*[15/16*(7/16-1/4)/1/2] 9.[51/2-1.04*(12/3

6、+5/6)]/2.9 10.63/7/3/7-[(7-0.5)*1/4] 11.(0.75+0.2)/0.25*25%+12/0.75+7.2/2.4 12.1.21*42-(4.46+0.14)*1375+450/18*25 13.1+0.45/0.9-0.75-168.1/(4.3*2-0.4) 14.605*8+3.5-44+10.9-(6.6+0.125/12.5%) 15.56*（56-65）*[0.325-62/30+（56/8）-65] 16.4/7*5/9+3/7*5/9-3/4×8/9-1/3 17.50＋

7、160/40*（58+370)/（64-45） 18.347+45×2-4160÷52 19.6-1.6÷4+5.38+7.85-5.37 20.5.4÷[2.6×（3.7-2.9）+0.62 30.8÷[14－(9.85＋1.07)] [60－(9.5＋28.9)]÷0.18 2.881÷0.43－0.24×3.520×[(2.44－1.8)÷0.4＋0.15]28-(3.41.25×2.4) 2.55×7.12.45×7.1777×91111×3....0.8×〔15.5-(3.215.79)〕（31.83.2×4）÷5

8、 31.5×4÷(6÷3)0.64×25×7.82.22÷2.5×2.5÷2 194－64.8÷1.8×0.936.72÷4.25×9.95180－705×6 24÷2.4－2.5×0.8(41212389)÷7671×15-974 469×121492405×(3213-3189)3.4