整十数减整十数的减法练习题 (200 道)
班级:
姓名:
学号:
60-30=
20-10=
30-20=
30-10=
50-20=
70-30=
80-70=
整十数减整十数的减法练习题 (200 道)
班级:
姓名:
学号:
60-30=
20-10=
30-20=
30-10=
50-20=
70-30=
80-70=
70-40=
90-50=
40-30=
70-20=
50-10=
30-20=
90-30=
30-10=
90-10=
90-10=
90-40=
80-40=
80-40=
80-50=
40-30=
30-20=
80-60=
90-70=
80-10=
40-10=
90-80=
30-10=
60-10=
60-50=
90-70=
70-40=
80-30=
60-30=
80-10=
70-40=
90-80=
70-40=
90-30=
70-30=
70-20=
90-50=
90-50=
30-10=
60-40=
40-20=
90-40=
80-60=
70-60=
30-20=
60-20=
60-40=
70-30=
80-50=
90-80=
90-60=
60-20=
70-10=
60-40=
90-70=
80-70=
20-10=
50-40=
90-60=
80-20=
90-30=
20-10=
40-20=
30-20=
50-20=
80-30=
70-10=
60-30=
50-10=
70-30=
80-60=
90-50=
80-20=
30-10=
80-50=
20-10=
80-70=
90-60=
80-20=
80-70=
70-30=
40-30=
50-20=
60-50=
60-40=
20-10=
80-40=
70-30=
70-50=
70-40=
70-20=
90-20=
80-10=
70-10=
70-60=
90-20=
50-10=
40-10=
60-20=
90-70=
40-30=
90-60=
90-30=
80-50=
90-50=
50-40=
50-30=
70-20=
70-20=
90-40=
30-20=
50-10=
60-30=
80-70=
50-40=
40-20=
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