(8 1/2-4,75):15=
(0,76:4/5-0,5)x 1 1/3=
[(13-11 1/2):0,03]x0,026=
[1 5/7:(3,6-1,8x1 1/3)]x1,4=
Dla jasności 1/2 to jedna druga.
X to razy.
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a) (8,5-4,75) : 1,5 = 3,75 : 1,5 = 2,5
b) [(0,76 : 0,8) - 0,5 ] * 1 1/3 =( 0,95 - 0,5 ) * 1 1/3 = 45/100 * 4/3 = 3/5 = 0,6
c) [(13- 11,5) : 0,03] *0,026 = (1,5 : 0,03) *0,026 = 50 * 0,026 = 1,3
d) [1 5/7 : (3,6- 1,8*1 1/3)] * 1,4 = (12/7 : 1 1/5) * 1,4 = (12/7 * 5/6) *1 2/5 = 10/7 * 7/5 = 2
(8 1/2-4,75):15=(8,5-4,75):1,5=3,75:1,5=2,5
(0,76:4/5-0,5)*1 1/3=(0,76:0,8-0,5)*1 1/3=(0,95-0,5)*1 1/3=0,45*1 1/3=45/100*4/3=3/5=0,6
[(13-11 1/2):0,03]*0,026=(1,5:0,03)*0,026=50*0,026=1,3
[1 5/7:(3,6-1,8*1 1/3)]*1/4=(12/7:1 1/5)*1,4=12/7*5/6)*1 2/5=10/7*7/5=2