1、十以内数字分成表110 11 02220 21 12 033330 31 22 13 0444440 41 32 23 14 05555550 51 42 33 24 15 066666660 61 52 4 3 34 25 16 0777777770 71 62 53 44 35 26 17 08888888880 81 72 63 54 45 36 27 18 099999999990 91 82 73 64 55 46 37 28 19 010101010101010101010100 101 92 8 3 74 65 56 47 38 29 110 010以内的分成表1 1 (0)(1
2、1)(0) 2 2 2 (0)(2)(1)(1)(2)(0)3 3 3 3(0)(3)(1)(2)(2)(1)(3)(0) 4 4 4 4 4(0)(4)(1)(3)(2)(2)(3)(1)(4)(0)5 5 5 5 5 5(0)(5)(1)(4)(2)(3)(3)(2)(4)(1)(5)(0) 6 6 6 6 6 6 6(0)(6)(1)(5)(2)(4)(3)(3)(4)(2)(5)(1)(6)(0) 7 7 7 7 7 7 7 7(0)(7)(1)(6)(2)(5)(3)(4)(4)(3)(5)(2)(6)(1)(7)(0) 8 8 8 8 8 8 8 (0)(8)(1)(7)(2)
3、6)(3)(5)(4)(4)(5)(3)(6)(2)88(7)(1)(8)(0) 9 9 9 9 9 9 9(0)(9)(1)(8)(2)(7)(3)(6)(4)(5)(5)(4)(6)(3) 9 9 9(7)(2)(8)(1)(9)(0)10 10 10 10 10 10 10(0)(10)(1)(9)(2)(8)(3)(7)(4)(6)(5)(5)(6)(4) 10 10 10 10(7)(3)(8)(2)(9)(1)(10)(0)20以内进位法9+2=118+3=117+4=116+5=115+6=114+7=113+8=112+9=119+3=128+4=127+5=126+6=12
4、5+7=124+8=123+9=129+4=138+5=137+6=136+7=135+8=134+9=139+5=148+6=147+7=146+8=145+9=149+6=158+7=157+8=156+9=159+7=168+8=167+9=169+8=178+9=179+9=1820以内进位法9+2=118+3=117+4=116+5=115+6=114+7=113+8=112+9=119+3=128+4=127+5=126+6=125+7=124+8=123+9=129+4=138+5=137+6=136+7=135+8=134+9=139+5=148+6=147+7=146+8=145+9=149+6=158+7=157+8=156+9=159+7=168+8=167+9=169+8=178+9=179+9=18