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1) <span>5\7 × ( 21\20 - 7\30 ) + 16\21 ÷ 8\7 = 5/7 х 49/60 + 2/3 = 7/12 +2/3 = 15/12 =5/4 = 1,25
2) </span>(1\2 - 1\3)³ ÷ (1\3 - 1\4)² ×(3\2)= (1/6)³ ÷ (1/12)² ×(3\2)= 1/216 ÷ 1/144 × (3\2)= 3/2 × <span>(3\2) = 9/4= 2,25</span>
44-(Х -24)=16
Х-24=44-16
Х-24=28
Х=28+24
Х=52
(Ставь Лайк )