一下口算练习

1、:1 1: ! II! coi 1:IIII 卜1 卜 CSJII6100III o 6 + cqII 00 1 z III1 CM i93-90=II co 1 9 III 卜1 z co61Vi00+2II 卜 1VIi II :21:8i 1i 二iII919COIILOXIII o 卜1 co 卜II:二9Ig LO + 寸II8zII9XIII V1 o CT>1s 二91 J1 1 1 1 *1co:i IIi ?! 1i芒II f1IIII LO1CMIII co 1II81 sII g1I III co 11 11 1 II o121 £ 11 1 z_亠co

2、f- g 1| 3020=i5+( ) =134VIII+ coVIII+6COIII+9VIII+VII+coIII+VIIIII+ cocoIIIiIIgIII+6IIV1V inII 寸 丄 III g1 eq i!g co + 00.%1L0 寸II g1i iIIcoIII s1LO99z寸eLI IIILO1COI对戟«( )1ss111 11 °c911十1LOII co1VI丄LO 61283-80=1 uJIIA19i II 00 115-8+9=13-5+9=! :167+5=1LJ11-5+6=11-3+7= i> <1 二119112VO

3、81 sIILO1IIIIeoII91Ov<II8 + 寸1 z III00 + z1IIII co + 91 CMII LO +91coIii i00 51 jU lF P W V V W P n 70+5=* 【-II2 + co I.LO1 s. z1J1Fjle1 1 2111二LX JIII z1coI2II9+12II9 +I V III V + T LO III6+IO1 寸 III1 +1 T) g : i0III+00coIIIz>+ coLOIII-+coeIII 丄I 0III+6VIII+9coIII+ coLOIII-+II + g1II g + 91i

4、iII6+CO1II g + 91 龙II1 + ! co 2 I i u iII1 11、z +z1 ft1 11J111Wr LO1II8ICM9«V<LvM1 厶*I II z + LO1 ZII9 + 卜144II 寸 + 61L0 vM <II 卜 + co1 co vH:II 1 jl i t i ell I一下口算练习一()班姓名：> 11-9= 9+3= 19-9=6+5=14-7=7+8=11-8=9+2=14-9=6+4=11-4=7+7=11-7=9+1=14-8=7+3=11-37+6=11-6=2+9=12-7=8+9=11-2=7+5=1

5、1-5=8+5=12-6=8+8=12-9=7+4=13-9=8+4=12-5=8+7=12-89+8=13-8=8+3=12-4=8+6=13-4=9+7=13-7=8+2=12-3=12+9=14-9=9+6=13-6=9+9=! 14-5=:3+9=14-8=9+5二13-5=4+8=15-9=3+8=14-7=9+4=16-9=4+7=15-8=3+7=14-6=5+7=16-8=4+6=15-7=4+9=18-9=5+6=16-7=5+9=15-6=! 6+7=:11-9=5+5=17-9=5+8=i 12-8=16+6=11-8=6+9=17-8=2+8=12-7=6+5=11-7=6+8=14-9=3+9=13-9=6+4=12-9=4+8=14-8=3+8=13-8=7+9=15-7=4+7=14-7=3+7=13-7=5+7=16-9=4+6=15-9=4+9=17-8=5+6=16-8=5+9=15-8=6+8=17-7=5+5=16-7=5+8=18-8=6+7=18-9=6+9=17-9=9+( )=11()+8=139+( )=12()+8=153+( )=12()+4=138+( )=11()+7=138+( )=12()+6=146+( )=12()+9=14 7+( )=11()+6=137+( )=