一年级数学下册《口算题》期中必考专项

一年级数学下册《口算题》期中必考专项

  • 简介

    90-9= 42+30= 46+5= 34+(25+5)= 65+20= 50-8= 20+67= 85-7= 65-47= 92-46= 35+40= 39+7-20= 37-7= 7+80= 48+6= 58-(58-8)= 54-8= 76-8= 90+4= 20+13-9= 98-70= 35+30= 86-5= 24-10-7= 8+45= 28+54= 36+57= 42+30= 28-8= 57+8= 9+70= 99-6= 26-3= 86-6= 72-50= 50-7= 8+57= 39+5= 25+7= 4+65= 73-40= 76-60= 68+29= 70-25= 50+21= 36-20= 80-60= 71+9= 75-5= 27+6= 24+3= 69+30=

一年级数学下册《口算题》期中必考专项