Ответ:
a) 798-x=239
x= 798-239
x=559
b) 45×a=9045
a=9045:45
a=201
c) 56m-46m=490
10m=490
m=49
d) 56m-46=346
56m=346+46
56m=392
m=392:56
m=7
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Ответ:
a) 798-x=239
x= 798-239
x=559
b) 45×a=9045
a=9045:45
a=201
c) 56m-46m=490
10m=490
m=49
d) 56m-46=346
56m=346+46
56m=392
m=392:56
m=7