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1、三（上）第六单五一.口算,多位数乘一位数计算题题库30X3=12X3 =50X5=4X800=11X2 =2X400=21X3 =33X2=200X3=3000X2 =0义9=5 X 0 =0X54= 7 + 0=2344X0 =9-0=70X6=90X4=700X4=80X6=40X8=90X3=40X3=50X8=70X9=21X4=23X2=32X3=43X2=33X2=80X5=7X40 =600X6=75X9+7548 + 8=54 + 9 =400X8=85 (15 + 20)=81X5=500X4 =0X8=600X8 + 2=25 + 5=7X120 =25+ 0=0X54 +
2、 6 =7X8X0=9+4X0=二、估算。8 0X4=34X0 0=0X8 + 12 =49X6 78X7 p76X361X8 89X7、44X3、31X9 y67X5”99X8 45X8503X7处106X5 仁102X4 处201X9 处705X6 处418 X 4813 X 4%399 X 5402 X 8189 X 8603X7、798X3 仁326X4处130X 6 处450 X 4处69X822X6 518X6 288X9 能3X798 处419X5 能三、笔算198X7仁311X916X5=28X3 =:46X8=34X7=72X4=93X2=41X8=53X3二324X2=12
3、1X3=312X2=221 X4 =112X8 =569X2 =512X4 二309X8 =708X3=109X7420X6 =640X2=380X5=四、脱式计算7X8+64X6+633X (41-37)321 X 3 - 213五、巧算911X6=321X4=115X9=165X5 =234X4 =382X2 =192X2=318X3=284 X 2=402X6 =608X7 =9X304 =607X5=309X4=502X3=406X6505X5=901X3=650X3 =280X5 =320X4 =450X6=230X4二270X3=460X7=930X5=780X2=20X3+9870X9-120156X (72-68)200X8 - 162000X4+1980(406-385) X342X6+42X7284-7 X 4121 .你能很快说出下面两个算式哪个算式得数大吗?1+2+3+4+5+6+7+8+9+01X2X3X4X5X6X7X8X9X02 . 981+982 + 983 + 984 + 985 + 986 + 9873. 11X11=12X11=23X11=35X11=36X11=45X11 二71X11=42X11=67X1175X11=58X11=96X11=