1/6四则运算练习题 100 道三年级300F6X=5+54=9X28060=240=2+174147+722X80=120X4=0X4+2211=89X5=202+36X8+1570X3+410X4+420=930=5+24081=9+8766X5+774921+7X480X6X270=7+65807+20=100-50302+30X600-12640+60X37X4+19X10=535-35X364X7-48=6X4-20=15==8+45=7+36==3+10=525=5+42=635=5+8X72=9-36=621X4-54=9=8+9X6=4+21X225=5-16=672=9-564+264-4537650-65X9-4506700+72=8142/6F7+36F00XX80+980000-X6+9X900*180F9-42F612F6+45X38X760-540+1110500+1250-35000X30+56009450-3200-420024001600=2+23024201+232-31500-125X825=6-45800=4X3X1X8XX7-180===5201+232-365X262+3X5663X147-198735-35X12540=789-13X42240=2+17147+722X80=412030=5+2401X4+2211=9X5=220+36=9+8766X3+410X4+420=X5+774练习题一、口算:27=3X7=X6=9=25=5X8=5+8-23=3=7X8=4-8+10=28=4X7=5+24-12==8X9=0X3=300X5=178+22==6=5X4=706-203=X500=3X6=+99=12X5=30X80=1X6=0X43=3/60X33=X5=12X60=41X4=X90=X54=X28=52X18=16