整十数加一位数及相应的减法练习题
1
30+1=
1+30=
31-1=
31-30=
30+2=
2+30=
32-2=
32-30=
40+3=
3+40=
43-3=
43-40=
40+4=
4+40=
44-4=
44-40=
40+5=
5+40=
50+6=
6+50=
56-6=
56-50=
50+7=
7+50=
57-7=
57-50=
50+8=
8+50=
58-8=
58-50=
60+9=
9+60=
69-9=
69-60=
70+1=
1+70=
71-1=
71-70=
70+2=
2+70=
72-2=
72-70=
3+70=
70+3=
73-3=
73-70=
70+4=
4+70=
74-4=
74-70=
70+5=
5+70=
75-5=
75-70=
70+6=
6+70=
76-6=
76-70=
70+7=
7+70=
77-7=
77-70=
70+8=
8+70=
78-8=
78-70=
70+9=
9+70=
79-9=
79-70=
90+1=
1+90=
91-1=
91-90=
90+2=
2+90=
90+3=
3+90=
93-3=
93=90=
90+4=
4+90=
94-4=
94-90=
90+5=
5+90=
95-5=
95-90=
90+6=
6+90=
30+1=
1+30=
31-1=
31-30=
30+2=
2+30=
32-2=
32-30=
40+3=
3+40=
43-3=
43-40=
40+4=
4+40=
44-4=
44-40=
40+5=
5+40=
50+6=
6+50=
56-6=
56-50=
50+7=
7+50=
57-7=
57-50=
50+8=
8+50=
58-8=
58-50=
60+9=
9+60=
69-9=
69-60=
70+1=
1+70=
71-1=
71-70=
70+2=
2+70=
72-2=
72-70=
3+70=
70+3=
73-3=
73-70=
70+4=
4+70=
74-4=
74-70=
70+5=
5+70=
75-5=
75-70=
70+6=
6+70=
76-6=
76-70=
70+7=
7+70=
77-7=
77-70=
70+8=
8+70=
78-8=
78-70=
70+9=
9+70=
79-9=
79-70=
90+1=
1+90=
91-1=
91-90=
90+2=
2+90=
90+3=
3+90=
93-3=
93=90=
90+4=
4+90=
94-4=
94-90=
90+5=
5+90=
95-5=
95-90=
90+6=
6+90=