小数分数口算题大全

62*12=17*6=17/2-7/4=9/4）*（6/2）=50*(2/15)=1.08/0.12=65/5=68*2.3=1.414*3.1=1.25+1/4=33*5=93+862=4.5+25

2/1*2=13/1*3=13/2*3=23/1*6=24/3*8=65/3*20=127/3*14=68/7*40=354/3*16=129/5*27=152/1*30=1512/7*24=1430

17×40＝680,100－63＝37,3.2＋1.68＝4.88,2.8×0.4＝1.1214－7.4＝6.6,1.92÷0.04＝48,0.32×500＝160,0.65＋4.35＝510－5.4

0.45×4＝1.80.75×4.3＝3.2251.05×4.6＝4.831.35×4.9＝6.6151.65×5.2＝8.581.95×5.5＝10.7252.25×5.8＝13.052.55×6.

5.6×2.93.77×1.80.02×965.22×0.39.99×0.024.67×0.95×2.441.666×6.19.432×0.0025.6×6.54.88×2.95.61×4.38.9×

5+149*3264/233+5136/982-419+256*433*566/1177*688*29+128+6378-2647+3236*1095-2831*932*839*440+5860+43

1.1/3*(5*(2/3))2.(1+37%)*203.35/2*75%4.30*(50/2)5.(54+10%)/206.(25/3*18)*30%7.(2+70%)*408.1/7*(98*(1

分数,小数的口算10.75/3/4/7/920.125/32/49/832/5+9又4/5+99又4/54（1.6+3又1/5）*1/851/2*1/3/1/2*1/3621.7-（15.7+2又1/

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17×40＝680100－63＝373.2＋1.68＝4.882.8×0.4＝1.1214－7.4＝6.61.92÷0.04＝480.32×500＝16065＋4.35＝69.3510－5.4＝4.6

123+25=148123-35=8856×7=392135÷5=27248+89=337...146-23=123...155×5=775...456-12=38...456+45=501...54

三年级口算练习（一）26+9=57－38＝1500－700＝42×2＝99÷3＝770÷7＝660÷3＝960÷3＝180÷9＝65＋15＝660÷6＝800×2＝50÷5＝3×800＝420÷7＝3

1)86+49+114=2)240+(39-40)=3)255+(352+145+48)=4)(345+377)+(55+23)=5)9+(80+191)=6)(268+314+132)+86=7)5

1.45+15×6=1352.250÷5×8=4003.6×5÷2×4=604.30×3+8=985.400÷4+20×5=2006.10+12÷3+20=347.(80÷20+80)÷4=218.7

5/6+7/8=5/8+9/10=1/3-1/5=4/7+4/9=6/11-3/7=3/8-3/16=2/5+3/4=2/3-1/4=8/9-5/6=2/9+1/18=2/3+1/6=7/9-1/3=

1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-（3/2+4/5）

0.88/2=0.440.21*2=0.422.1/3=0.73.2/2=1.60.1*0.1=0.010.1*0.2=0.020.2*0.2=0.040.3*0.6=0.180.5*0.6=0.30

17×40＝100－63＝3.2＋1.68＝2.8×0.4＝14－7.4＝1.92÷0.04＝0.32×500＝0.65＋4.35＝10－5.4＝4÷20＝3.5×200＝1.5－0.06＝0.75÷

1.1/3*(5*(2/3))2.(1+37%)*203.35/2*75%4.30*(50/2)5.(54+10%)/206.(25/3*18)*30%7.(2+70%)*408.1/7*(98*(1

4/9×3=5÷1/3=1/2÷1/3=2/7×3/9÷2/7=21/25÷42=4/5×3/4=8.7×0.2=4×0.25=1/7×14=2/3÷5/6=1.25×8=3/5÷5/8=6/7×3/