1. ¡¡Calculo Mental!! 4°Años 2011 <br />4x6= ?A 11B 24C 10D 2870-30= ?A 120B 40C 30D 10028-2= ?A 65B 70C 20D 60200-200= ?A 400B 0C 399D 933100+500= ?A 600B 400C 700D 3004x5= ?A 18B 25C 9D 20100x2= ?A 300B 100C 400D 2005x0= ?A 10B 15C 0D 15250-50= ?A 300B 200C 100D 50 5x9= ?A 18B 14C 45D 40100+900= ?A 1.500B 600C 1.000D 6000200x4= ?A 759B 800C 779D 8045x5= ?A 29B 0C 10D 252x2= ?A 9B 6C 4D 09x3= ?ABCD500x2= ?A 1.000B 482C 496D 1.2006x6= ?A 12B 39C 36D 03x6= ?A 18B 9C 19 D 2110:2= ?A 10B 5C 50D 20600x3= ?A 1.500B 1.800C 1.850D 1.580500+500= ?A 0B 1000C 1500D 160020:5= ?A 5B 3C 2D 43:3= ?A 9B 1C 0D 699:3= ?A 35B 33C 32D 3030-10= ?A 10B 20C 40D 506:3= ?A 4B 5C 18D 214:2= ?A 28B 7C 6D 544:2= ?A 66B 88C 22D 26500-400= ?A 100B 600C 700D 10004X0= ?A 4B 8C 0D 924:8= ?A 9B 4C 3D 280:4= ?A 22B 25C 20D 763x10= ?A 40B 30C 60D 5080-10= ?A 60B 70C 90D 10036:6= ?A 17B 96C 3D 2750-50= ?A 850B 700C 800D 8952x8= ?A 14B 6C 10D 1610-10= ?A 20B 0C 40D 308x2= ?A 12B 15C 10D 16100+100= ?A 200B 300C 400D 50060+60= ?A 100B 0C 120D 120050+150= ?A 650B 100C 200D 3002x7= ?A 9B 15C 14D 1622+222= ?A 2222B 442C 244D 424100-80=?A 180B 160C 20D 4040-20= ?A 65B 70C 20D 609x9= ?A 80B 84C 81D 8310:1= ?A 1B 11C 10D 0<br />¡¡¡MUCHA SUERTE!!!<br />