【正文】 242+7= 57+3138= 9818+8= 73+650= 41+2122= 6555+19= 8961+62= 9857+51= 29+113= 8770+80= 7212+15= 47+3473= 二、列豎式計(jì)算45+354=662734=78+1267=2313+76=88+1869=5529+33=4922+37=49+1739=793322=45+29+22=43+5444=35+46+16=5626+45=692639=4429+23=一、口算28+3123= 8350+2= 8059+71= 14+8592= 5047+63= 6218+15= 24+7583= 11+70+7= 72+1015= 15+5+17= 69+29+1= 3210+2= 11+72+9= 2714+10= 39+44+6= 二、列豎式計(jì)算78+1844=4923+67=65+2245=9366+66=50+3467=4529+38=974945=81+1733=5843+44=37+34+24=49+29+22=47+3633=4433+29=9369+67=4925+55=一、口算12+10+21= 88+7+5= 62+226= 37+40+17= 8111+2= 47+5+41= 11+2+34= 8215+2= 55+21+8= 62+1713= 33+24+2= 6611+14= 84234= 7135+32= 974620= 二、列豎式計(jì)算56+3544=7623+29=87+1245=834633=58+2885=492512=672241=31+6735=8863+22=67+2445=19+54+23=27+4634=6447+33=9669+65=6745+34=一、口算935137= 7831+23= 42326= 4320+19= 632019= 7568+4= 36176= 56+187= 30148= 91374= 6151+5= 35+14+5= 968312= 33+19+6= 47+95= 二、列豎式計(jì)算38+2934=7963+45=77+2147=3819+44=54+4679=4429+44=874233=91+856=36234=77+2378=43+5277=17+38+45=4538+67=53414=784319=一、口算6346+30=