а) 10 2:3 - 5 1:3 : 3 1:5
б) (10 2:3 - 5 1:3) : 3 1:3
в) 4 1:2 * 8:9 - 5 1:3 :10 2:3
б) (10 2:3 - 5 1:3) : 3 1:3
в) 4 1:2 * 8:9 - 5 1:3 :10 2:3
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=32/3 -16/3 *5/16 =
=32/3 -(16*5)/3*16 =
=32/3 -5/3 = (32-5) / 3 =9
b) (32/3 -16/3) :10/3 =
= (32-16)/3 *3/10 =
= (16*3) / 3*10 =16/10= 1.6
в) 9/2 * 8/9 - 16/3 * 3/32 =
= (9*8)/2*9) - (16*3)/3*32 =
= 4 - 0.5 = 3.5