三年级计算专练(已排版,可直接打印)

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1、460-80=15x4=500x9=48-16=23x4=50x4=8000-2=96-24=57x0=310x7=860-2=3845-16=41x3=980-7=60x7=4608-53=8000x5=40x2=80-40=98-14=5050-5=105x4=100-20=96-24=240-8=30x2=100-4=56-14=230-40=120x3=240-40=65-13=240x2=9000-3=920-4=75-15=0-90=0-2=300-60=120-24=130x4=840^-4=64-2=200-25=930

2、0-3=2000x4=64-4=800-16=1008x5=21x3=50-=-5=840-21=28-4=50x4=60-8=560-14=0+8=10000-5=96-4=390-13=3x0=80-4=90-6=600-15=900-3=60-9=400+80=72-24=25x4=1000x7=400-80=85-17=56-2=300x5=40x80=90-15=24x5=240-6=400-80=96-16=7x4+2=12x50=520-?40=(238+136)x421x3+4=25x8=8298-28375-(46-2

3、1)40-2+1=23x11=5481-276240-20=1+72-8=125-25=7015-232660-28=9x4+4=4200-2200=2883-285871-980-42x8-4=220+80=7680-24596+312-6212x5-2=20x8x5=720-90=36-9+2=600-3x200=480-30=30-5+2=20+20-2=720-6=8仁9+7=23x60=6x5+7=35-25-5=63-3=7x4+9=36+8-40=600-50=80x6x0=2800-40=480-16=770-7+1=7

4、8-26=840-60=80+20-251-17=87-3=10-0-5=25x30=350-(100-35-35-7=2-4=30)=7+3x0=910-70=260x(43-6x84-3=640x80=42)=40+10-2=600-50=1980+900-4378+44+114242+222+321(181+254)+279276+228+353+219(375+104)+(96+125)(2130+783+270)+10179+999+992214+638+2863065-738-10652357-183-317-357235-

5、108-24497-299+2370+1995399+498-39812x25+75x24138x25x4(13x125)x(3x8)(12+24+80)x50704x2525x32x12532x(25+125)+88x125102x76-58x9862-3=360-[(12+6)x5]288曰(26-14)x8]500x6-(50x2-80)(105x12-635)-25864讥(27-23)x12](45+38-16)x24500-(240+38x6)(845-15x3)-1612x[(49-28)-7]450讥(84-48])-1

6、2(58+37)-r(64-9x5)95m(64-45)178-145-5x6+42812-700-?(9+31x11)85+14x(14+28-26)(284+16)x(512-82)120-36x4-18+35(58+37)-(64-9x5)38+(500-100)158+262+138375+219+381+2255001-247-1021-232178x101-17884x36+64x8475x99+2x7583x102-83x2123x18-1233+85x12325x(24+16)178x99+17879x42+7996+7

7、9x57100-4-75256-(136-71)125-(170-165)75x27+3923+19x2531x870+13x3104x(25x65+25x28)(181+2564)+2719378+142+22258+369-124356-159+369276+228+353+219(375+1034)+(966+125)(2130+783+270)+10172214+638+286365-38-165237-183+317-3572365-1086-21412x25+75x24138x25x4(13x15)x(3x8)35+98x2

8、(12+24+80)x5025x32x12532x(25+125)178x101-17884x36+64x8475x99+2x75123x18-12333+85x12350x(34x4)x325x(24+1