Odpowiedź :
a)283-142 = 141
141+142=283
b)738-515 = 223
223+515=738
c)895-631 = 264
264+631=895
d)7205-38 = 7167
7167+38=7205
e)4032-234 = 3798
3798+234=4032
f)8138-267 =7871
7871+267=8138
g)6430-879= 5551
5551+879=6430
h)5001-243 = 4758
4758 +243=5001
i)2047-659=1388
1388+659=2047
141+142=283
b)738-515 = 223
223+515=738
c)895-631 = 264
264+631=895
d)7205-38 = 7167
7167+38=7205
e)4032-234 = 3798
3798+234=4032
f)8138-267 =7871
7871+267=8138
g)6430-879= 5551
5551+879=6430
h)5001-243 = 4758
4758 +243=5001
i)2047-659=1388
1388+659=2047
a) 283-142=141
141+142=283
b) 738-515=223
223+515=738
c) 895-631=264
264+631=885
d) 7205-38=7167
7167+38=7205
e) 4032-234=3798
3798+234=4032
f) 8138-267=7771
7771+267=8138
g) 6430-879=5551
5551+879=6430
h) 5001-243=4758
4758+243=5001
i) 2047-659=1388
1388+659=2047