幼儿珠算初级阶段练习题:4以内直加直减练习

2026-02-06
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=