小学一年级奥数计算题(2)

咏良 1172分享

  69-40= 75-3= 75+4= 56-30=

  34-3= 87-6= 74-2= 78-60=

  34-30= 78-6= 74+2= 75-3=

  88-5= 56-4= 89-7= 46-20=

  69-40= 47-3= 38-7= 84-4=

  63-60= 49-4= 94-70= 39-3=

  71-30= 57-30= 49-5= 97-60=

  47-3= 78-20= 47-5= 48-5=

  32-30= 65-4= 53-50= 68-5=

  47-4= 74-20= 86-5= 74-3=

  75-30= 68-50= 47-30= 75-40=

  86-50= 74-30= 74-50= 57-30=

  28-6= 47-3= 98-20= 89-60=

  39-8= 43-30= 38-20= 12+45=

  36+23= 87+35= 65+24= 42+40=

  78+35= 64+32= 32+53= 67-42=

  68-5= 4+23= 35+42= 43+54=

  67-37= 78-46= 45+32= 76-56=

  74-30= 35-32= 38-7= 26+63=

  69-7= 5+74= 63-41= 54-42=

  38-11= 75+4= 46+30= 20+69=

  75-4= 46-30= 69-20= 32+37=

  4+65= 57-35= 88-63= 58+20=

  78-5= 87-40= 76-3= 76-30=

  4+35= 35+4= 42+40= 3+56=

  24+8= 36+5= 6+4= 5+8=

  9+7= 26+4= 5+38= 9+17=

  46+4= 5+48= 9+37= 8+35=

  14+6= 35+3= 2+46= 24+4=

  35+5= 4+46= 26+3= 35+7=

  6+46= 28+4= 36+5= 47+2=

  7+52= 36+50= 47+7= 7+25=

  三

  37+8= 63+6= 4+58= 28+20=

  42+9= 7+76= 89+2= 8+15=

  46+30= 28+5= 34+6= 56+40=

  3+29= 35+3= 2+46= 24+4=

  35+5= 4+46= 36+3= 74+8=

  48+4= 4+54= 40+37= 7+35=

  8+56= 78+9= 56+3= 34+2=

  73+5= 27+2= 56+8= 34+7=

  73+9= 27+6= 8+29= 9+46=

  67+7= 7+36= 5+69= 37+50=

  5+57= 8+46= 6+46= 8+33=

  9+28= 20+53= 20+37= 15+28=

  46+9= 52+9= 47+6= 39+4=

  86-40= 39-6= 94-40= 88-7=

  63-50= 73-40= 65-5= 71-50=

  45-20= 89-40= 76-50= 45-2=

  89-4= 76-5= 54-30= 68-40=

  77-40= 67-30= 68-30= 26-4=

  85-70= 46-6= 73-50= 87-3=

  99-7= 56-3= 72-20= 27-7=

  95-70= 44-30= 58-40= 48-3=

  48-30= 57-6= 47-6= 58-30=

  75-3= 75+3= 34-3= 87-6=

  74-2= 78-60= 34-30= 78-6=

  74+2= 74-20= 75-3= 88-5=

  56-4= 89-7= 46-20= 69-40=

  38-7= 68-5= 47-3= 75-20=

  86-5= 74-3= 75-30= 68-50=

  47-30= 75-40= 86-50= 74-30=

  75-50= 84-4= 63-60= 49-4=

  94-70= 39-3= 71-30= 57-30=

  49-5= 97-60= 47-3= 78-20=

  47-5= 48-5= 32-20= 65-4=

  53-50= 57-30= 29-6= 47-3=

  88-20= 89-60= 39-8= 43-30=

  38-20= 12+45= 36+23= 87+45=

  65+24= 42+40= 78+35= 64+32=

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