(4 ц 3\5 -1ц 2\7):(-4ц 1\7)\(14,35 -1ц7\20):(-3 ц 1\4) Вычислите СРОЧНО ПОМОГИТЕ
(0,54:1.35+3\5:2ц 1\4 +(-1\6))*4//// (1,75+1\5):(-2ц 3\5)
(0,54:1.35+3\5:2ц 1\4 +(-1\6))*4//// (1,75+1\5):(-2ц 3\5)
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.........................................=0,21) 4 3/5 - 1 2/7=4 21/35 - 1 10/35=3 11/35
2) 3 11/35 : (-4 1/7)= - 116/35 * 7/29= - 4/5
3) 14,35 - 1 7/20=14,35 - 1,35=13
4) 13 : (-3 1/4)= - 13*4/13= - 4
5) - 4/5 :( -4)=4/5 * 1/4=1/5=0,2
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........................= -1 7/9
1) 0,54:1,35=54/135=2/5
2) 3/5 : 2 1/4=3/5 * 4/9=4/15
3) 2/5+4/15=6/15+4/15=10/15=2/3
4) 2/6+(-1/6)=4/6 - 1/6=3/6=1/3
5) 1/3*4=4/3
5) 1,75+1/5=1,75+0,2=1,95
6) 1,95:(-2 3/5)= - 1,95:2,6= - 0,75
7) 4/3:(-0,75)= - 4/3 : 3/4= - 4/3*4/3= - 16/9= - 1 7/9