口算练习 1 月 日 时间 82+6= 91-2= 98-3= 8+14= 68-20= 90-80= 20+64= 10+29= 49+0= 39-0= 40+4= 40+31= 81-5= 18-2= 95-0= 15-4= 96-10= 50+34= 1+21= 63-20= 70-60= 92-20= 72+7= 24-9= 66-50= 83-3= 30+35= 22+7= 90-40= 82-10= 70+13= 12-4= 26-20= 40-30= 68-50= 19+5= 8+27= 39+40= 8+47= 84-20= 10+20= 73-4= 4+96= 97-0= 74-30= 82-30= 60+31= 20+68= 50+46= 86-20= 74-0= 25-0= 23+30= 36-5= 42-30= 50+2= 18+70= 33+6= 30-7= 41-30= 32-1= 1+94= 31+4= 9+38= 98-10= 81-9= 48-5= 90-8= 70-13= 92-20= 80-30= 71-10= 20+78= 68-10= 32-30= 15+3= 46+1= 84-4= 82+6= 69-20= 0+99= 30+45= 70-40= 90-80= 54-40= 78+7= 84-80= 41-0= 40+4= 63-40= 36-5= 74-8= 43-3= 15-4= 73-50= 3+87= 50-40= 1+16= 70-60= 40-10= 口算练习 2 月 日 时间 91-50= 45+40= 9+71= 83-3= 81-40= 5+93= 40+3= 20+36= 70+13= 40+30-50= 39-6= 99-8= 92-1= 70+22= 21+30+8= 74-50= 7+48= 60-30= 72-30= 79+3= 30-7= 91+5= 80-10= 69-30= 9+26= 84-9= 64-60= 90-10= 68-20= 11-6= 70-50= 31-0= 77-30= 39-0= 8+57= 83-33= 86-50= 52-40= 95-0= 45-9= 70+23= 95-50= 95-40= 63-20= 25+7= 70+25= 85-50= 97-40= 66-50= 49-6= 75-30= 71-40= 77-20= 82-10= 90+9= 46-20= 73-10= 88-20= 68-50= 76-60= 45-20= 67-30= 35-30= 84-20= 86-5= 73-40= 48-30= 35-20= 74-30= 47-5= 85-10= 66-40= 83-10= 86-20= 43+30= 84-80= 92-80= 49-20= 42-30= 8+45= 30-0= 72-10= 83-30= 41-30= 40-7= 64-10= 96-10= 15-0= 98-10= 40-4= 36-20= 80-20= 70-50= 92-20= 10-3= 94-50= 65-10= 32-0= 32-30= 30-9= 口算练习 3 月 日 时间 97-80= 18-0= 89-0= 69-20= 70-9= 24-10= 22-10= 37-0= 54-40= 60-5= 99-80= 78-10= 89-20= 63-40= 6+45= 29-10= 98-90= 96-0= 73-50= 46-5= 46-0= 69-40= 94-50= 40-10= 4+38= 78-10= 54-30= 94-10= 81-40= 36+7= 67-40= 98-80= 93-10= 36-0= 15-6= 73-60= 85-30= 92-40= 16-0= 15-6+8= 40-30= 48-10= 83-80= 41-30= 72-60-80= 27-20= 87-20= 72-50= 60-50= 24-6-10= 8...
