小学一年级下册数学口算综合练习题11+9= 80-3= 95-4= 64+3= 98-4=25+7= 62-2= 83+5= 83+10= 10+8=56+20= 64+6= 65+3= 15-3= 30-3=32 + 6 = 29 - 7 = 35 + 2= 7 3+4= 25+4= 43+5= 87+10= 3 9-3= 48-30= 95-40=81 - 2 = 60 + 8 = 39 + 10= 76+10= 70+30=48 - 9 = 47 - 8 = 52 - 4= 43-8= 68-9=40 - 2 = 27 - 9 = 32 - 4= 41-2= 38-9=50 - 8 = 63 - 9 = 37 - 8= 56-20= 88-9=75 - 9 = 92 - 3 = 42 - 7= 71-6= 58-10=47 - 8 = 26 - 7 = 52 - 3= 69-10= 63-5=80 - 2 = 36 - 9 = 78 - 4= 65-8= 99-9=72 - 2 = 45 - 9 = 86 - 8= 96-2= 24-9=40 - 2 = 46 - 9 = 43 - 4= 18-2= 38-8=35 + 5 = 85 + 2 = 59 - 4= 78+10= 82-5=64 + 6 = 32 + 7 = 49 - 5= 63+3= 84-2=60 - 4 = 11 + 20 = 45 - 3= 30+8= 60-7=25 + 4 = 36 - 5 = 84 + 4= 52-3= 71+9=88 - 4 = 76 + 0 = 93 - 3= 18+5= 70-5=56+20= 64+6= 65+3= 15-3= 30-3=