奥数北京站 > 北京小学试题 > 二年级 > 其他试题 > 数学其他试题
9 80= 60 5= 4 30= 60 5= 7 70= 40 6= 5 40= 80 5= 8 70= 50 7= 8 30= 50 3= 5 70= 70 2= 4 60= 80 7= 4 70= 40 7= 7 20= 60 2=……
发布于:2016-08-16
3 22= 21 2= 3 22= 33 2= 2 32= 42 2= 2 22= 23 3= 2 41= 21 4= 3 22= 22 3= 3 22= 32 3= 3 22= 12 3= 3 33= 24 2= 2 22= 13 3=……
发布于:2016-08-16
30 4= 23 2= 30 2= 22 2= 50 6= 34 2= 40 6= 34 2= 20 2= 23 3= 30 5= 22 4= 80 7= 22 3= 70 7= 23 2= 40 3= 23 3= 80 2= 42 2=……
发布于:2016-08-16
6 3+30= 8+7+30= 4 2 5= 56-27 3= 42 7 2= 2 3 6= 2 9 3= 16 8 7= 32 8-4= 36 9 7= 4 2 8= 3 8 6= 5 9-7= 6 6+20= 7+8+9= 100 5-5=……
发布于:2016-08-16
71-7-30= 32 8 2= 36 9 7= 4 2 8= 3 8 4= 5 9 6= 6 6+20= 21 7 6= 3 8 6= 48 6 2= 3 2 7= 4 9 6= ……
发布于:2016-08-16
99 9 40 = 5 + 70 5 = 9 + 7 + 20 = 14 5 + 30 = 30 + 6 + 4 = 55 5 + 15 = 36 +30 +20= 5 + 55 +20= 13 5 + 50= 82 80 +8= 12+5-2= 17+25-17= ……
发布于:2016-08-16
4 4+5= 2 4-6= 4 3+8= 3 3-9= 3 5+9= 2 6-7= 5 4+32= 14+8+6= 3 4-9= 50―15―20= 6 6-30= 6 3+17= 21-16+8= 9 8-9= 90-11-19= 50-7-23= 18+9 9 = 12 8 + 70 = 70 30 + 6 = 4……
发布于:2016-08-16
8 7-23= 28+47-28= 5 9+36= 76-3+8= 8 7-3= 5 7+7= 94-24+16= 18+32+24= 23+37-35= 10+5 4= 20+7+8= 18-3 4= 4 6-23= 86-16-6= 6 6-13= 4 6+6= 7 7-20= 69-8-40= 5 4……
发布于:2016-08-16
7 5+30= 54+30-4= 7 5-21= 51+25-25= 6 4+6= 9 2-10= 3 7-6= 10+25+8= 8 7-23= 28+47-28= 5 9+36= 76-3+8= 3 5+3= 4 7+7= 5 8-5= 9 4-4= 53-50-2= 3 8+20= 6 8+5= 4 5……
发布于:2016-08-16
6 4+10= 43-7= 65-20+9= 3 6-4 = 56 7 5 = 6 6 4= 64 8 8 = 27 3 3= 2 5+17 = 25-9+50 = 45+9-7 = 3 8 6= 6 5+34= 49+30-4= 7 6-21= 58+36-36= 4 4+4= 8 3-10= 2 7-6= 30+46+8= ……
发布于:2016-08-16
42 7 2= 16 8 7= 4 2 7 = 5 8+8 = 6 3-9= 4 3+8 = 100-90+6 = 2 2 8 = 1 6+12 = 5 5-20 = 4 6+6 = 74-8+9= 6 3+8 = 12 3 8 = 12-9 = 2 3 6 = 8 2 4 = 34+7= 3 6+4 = 2 2+30=……
发布于:2016-08-16
62-7 = 94+6= 63+9 = 40-9+12= 84-70= 15+40 = 76-6 = 50+3-16= 58+24= 70-2= 29+5 = 42-3 +25= 51-6 = 26+70 = 44-8= 32-7 +48= 6+40 = 63+8= 63-8 = 9+19+50= 62-4 = 34+7 = 50-3 ……
发布于:2016-08-16
62-7 = 94+6= 63+9 = 40-9+12= 84-70= 15+40 = 76-6 = 50+3-16= 58+74= 70-2= 29+5 = 42-3 +25= 51-6 = 26+70 = 44-8= 32-7 +48= 6+40 = 63+8= 63-8 = 9+19+50= 62-4 = 34+7 = 50-3 ……
发布于:2016-08-16
北京二年级口算题:尾数是0三位数减法 (1)250 - 170 = (2)870 - 480 = (3)890 - 470 = (4)530 - 260 = (5)380 - 130 = (6)600 - 380 = (7)840 - 730 = (8)720 - 360 = (9)780 - 710 = (10)480 ……
发布于:2013-03-01
北京二年级口算题:尾数是0三位数加法 (1)480 + 580 = (2)470 + 110 = (3)330 + 210 = (4)520 + 930 = (5)540 + 370 = (6)370 + 530 = (7)910 + 910 = (8)580 + 850 = (9)210 + 410 = (10)530……
发布于:2013-03-01