Реши уровнения. (27-19)+×=61. х×9=72. 48÷×=8
(27-19)+х=61 х=27-19 х=8 х=61-8 х=53 (27-19)+53=61 61=61 х*9=72 х=72/9 х=8 8*9=72 48/х=8 х=48/8 х=6 48/6=8
(27 - 19) + x = 61 8 + x = 61 x = 61 - 8 x = 53 x • 9 = 72 x = 72 : 9 x = 8 48 : x = 8 x = 48 : 8 x = 6