2020 幼儿园珠心算初级练习题（2）4 以内直加直减练习1+2+1= 3-1+2= 2+1-1+2-3= 1+3-2+2-1= 11+22=4-2+1= 2-1+1= 4-3+2-1+2= 1-1+3-2+3= 33-22=3+1-2= 2+2-3= 2-2+4-3+1= 3+1-2-1+2= 22+11=2-1+2= 4-3+2= 4-2+1-2+3= 1+3-2+1-1= 33-11=4-2+2= 1+2-2= 4-1-2+1+2= 3-1+2-2+1= 44-33=3+1-1= 2-1+3= 1+3-2+1-2= 3+1-3+2-1= 11+33=4-2-1= 4-3+1= 4-3+1-1+2= 1+2-2+3-1= 22-22=3-2+3= 3-1+1= 2-1+3-2+2= 2+1-2+1-1= 44-22=4-3+2= 1+2-1= 1+3-3+1+2= 3+1-2-1+1= 11+11=5 的直加直减练习3+5-2= 5+2-2= 9-5-2= 2+5-1= 11+55+22=8-5+2= 7-5+2= 6-5+3= 4+5-3= 22+55-11=5+1-1= 5-5+4= 5-5+2= 6-5+3= 77-55+22=1+5-5= 3+5-3= 4+5-1= 8-5+1= 33+11+55=9-5-3= 7-5+1= 2+5-2= 5+3-1= 99-44-55=5+4-3= 3-2+5= 9-5+1= 9-5-3= 66-55+22=5+3-2= 6-5+2= 1+5-1= 4+5-1= 88-22-55=8-5-2= 2-1+5= 1+5-1= 4-2+5= 33+55-22=9-5-1= 7-5+2= 8-3-5= 5+2-1= 99-55-33=7-2-5= 1+5-1= 6-1-5= 3-1+5= 44-22+55=6--9 的直加直减练习1+5-6= 5+3-7= 9-8+1= 7-6+5+3= 22+55-66=6-5+2= 7-6+5= 8-7+6= 3+5-7+2= 11+77-33=4-2+7= 3+5-6= 2+7-8= 4+5-8+6= 44-22+77=1+8-7= 3-2+6= 4+5-7= 9-1-7+6= 88-77+11=7+2-8= 8-6+1= 2+5-7= 6+3-1-5= 44-33+88=1+8-6= 5+4-8= 9-6-2= 6-5+7-8= 22+77-66=6-1-5= 3+5-7= 4+5-8= 1+7-5+6= 66-55+33=7-5+5= 9-6+5= 6-5+3= 2+6-5-3= 55+44-88=1+8-8= 2+6-5= 3+6-7= 7-7+3+5= 99-77+22=5+1-5= 8-7+6= 4+5-8= 4-3+8-7= 66-55+88=