Question

Найди ×: а) 7600+×=12400 б)×:49=13

Answer 1

А)7600+x=12400
x=12400-7600
x=4800
б)x:49=13
x=13*49
x=637

Answer 2

7600+х=12 400
х=12 400-7 600
х=4 800
........................
х÷49=13
х=13×49
х=637