Ответ:
34х+66х=100х 100×8=800
54а-39a=15a 15×26=390
18m-5m+7m=20m 20×394=7880
19z-12z+33z-192=40z-192
40×82-192=3088
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Ответ:
34х+66х=100х 100×8=800
54а-39a=15a 15×26=390
18m-5m+7m=20m 20×394=7880
19z-12z+33z-192=40z-192
40×82-192=3088