60% wartości wyrażenia (4\5 - 3\4) + [0,8 * (1\2)do potęgi -2] : 0,02 to 25% liczby : 180, 432, 108, 640
(⅘-¾)+[0,8×(½)⁻²]÷0,02=( - )+(0,8×4)÷0,02= +3,2÷0,02=0,05 +160=160,05
640*25%=160
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(⅘-¾)+[0,8×(½)⁻²]÷0,02=( - )+(0,8×4)÷0,02= +3,2÷0,02=0,05 +160=160,05
640*25%=160