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1、-教育精选8.8 -4.3=8.6 -2.9=9.7 3.5=18.4 1.8=16.5 3.4=28.5 16.7=7.8 2.6=29.8 -8.8=5.6 -2.3=8.7 7.8=10 6.1 =12.3 3.2=20 4.5=36.5 18 1.2=8.3 -3.7=13 -6.5=8.3+6.7=4.2+0.3=4.54.2=0.4+0.6=2.3-0.5=1+0.5=1.8-0.8=4.9+1.7=3.41.6=1.2+5.7=10.5+1.2=16.8+3.2=4.5+5.4=12.3+6.9=4.2+15.6=4.9+11.7=12.4+3.5=2.9+14.3=6.8-5.
2、1=1.2+11.9=25+4.9=5.4+3.7=10+6.5=8.5+3.6=6+10.8=3.7+4.6=15+8.5=2.2+10.7=3.6+6.2=3.92.8=17.80.4=1.8+3.5=6.8-5.8=16 X 3=60X 30=12X 70=24X 30=40X 40=30X 26=75X 80=3X 500=50X 20=14X 20=70X3=24X20=120X30=14X60=30X50=27X20=70X60=18X30=12X40=13X3=36X20=98X100=19X30=130X20=50X20=18X50=28X20=42X20=30X50=90X6
3、0=18X40=50X22=30X40=27X30=16X40=50X3=14X70=25X50=1700X5=29X30=42X50=80X90=25X80=15X50=28X200=36X50=120X30=50X60=11X20=50X80=111- -5- 510- -8785-3-10-777+11001-7101030X2二80-2=500X4二210-3二240-4=300X2=69-3=13X3=1010155X2=48-3=65X4=90-5=16X7=75-5=1-10131X3=88-4=34X2=48-4=3X-49-94=4+3-35-9-779640-340=700
4、+300=800-600=180+70=305-100=210+430=6X70=22X6=7+6=61-33=48-2=4X9+8=7+8X8=7X7+4=8X9+4=6X9+6=8X5+6=80-4=40X5=420-7=30X4=3005=50X8=800-4=60X7=4200-7=7X6+52=18-6+11=(3+6)X254+189=200-4+30=24X2=46-仁24X4=99-3=16X3=96-3=13X5=86-2=14X3=84-6=17X6=60-5=11X8=45-3=44X5=96-6=65X2=72-4=5X9+8=180X0=6X9+3=710-210=2X6+4=250+2804X8+2=350-200=0X5+8=86+78=7X3+4=620-260=5+2X8=54+25=2X6+5=230+76069X0=500-500=45-5+23=200+4005X8X6=93-3-18=(15+25)X2=8=310(16+24)48-6X7=20-10-5=50X5-5=600-2-38X8+6=15X5+20=600X4-2000=80-20X3=300-6+5=
北师大版数学三年级下册口算练习
