一年级数学下册口算题
6+40= 45-5= 6+56= 30+9= 29+6=
58-50= 37+5= 23-20= 67-60= 40+9=
63-30= 42-2= 4+90= 20+67= 56+10=
23-6= 20+80=
72-60= 68-8=
50+28= 52-50=
58-3= 50+38=
96-90= 48+8=
47-7= 66-20=
90-40= 61+5=
86-20= 86-40=
25+20= 7+42=
6+30= 88-60=
100-70= 34+4=
51+8= 37-7= 57+30= 90-70= 7+50= 20+23= 18+30= 86-40= 40+47= 5+43= 68-5= 25+40= 58-8= 55-3= 52+30= 70-7= 77-9= 32+3= 60+30= 55-8= 7+33= 49+3= 56+3= 22+50= 17+50= 30+20= 100-30= 7+40= 94-6= 38+4= 74-70= 28+6= 7+64=
一年级数学下册口算题
6+40= 45-5= 6+56= 30+9= 29+6=
58-50= 37+5= 23-20= 67-60= 40+9=
63-30= 42-2= 4+90= 20+67= 56+10=
23-6= 20+80=
72-60= 68-8=
50+28= 52-50=
58-3= 50+38=
96-90= 48+8=
47-7= 66-20=
90-40= 61+5=
86-20= 86-40=
25+20= 7+42=
6+30= 88-60=
100-70= 34+4=
51+8= 37-7= 57+30= 90-70= 7+50= 20+23= 18+30= 86-40= 40+47= 5+43= 68-5= 25+40= 58-8= 55-3= 52+30= 70-7= 77-9= 32+3= 60+30= 55-8= 7+33= 49+3= 56+3= 22+50= 17+50= 30+20= 100-30= 7+40= 94-6= 38+4= 74-70= 28+6= 7+64=