A)(-0,3)²: O,1 - O,2³× (2½)²=
B) (-0,1)⁴ × 20³+ (1½)³: (-0,3)²=
a)0,09:0,1-0,008*6,25=0,9-0,05=0,85
b)0,01*8000+3,375:0,09=80+37,5=117,5
A)(-0,3)²: O,1 - O,2³× (2½)² == 0,09 : 0,1 - 0,008 * (5/2)² == 0,9 - 0,008 * 25/4 = = 9/10 - 2/40 = = 9/10 - 1/20 = = 18/20 - 1/20 = = 17/20====================================
B) (-0,1)⁴ × 20³+ (1½)³: (-0,3)² == 0,0001 * 8000 + (3/2)³ : 0,09 = = 0,8 + 27/8 : 9/100 = = 0,8 + 27/8 * 100/9 = = 0,8 + 375 = = 375,8
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a)0,09:0,1-0,008*6,25=0,9-0,05=0,85
b)0,01*8000+3,375:0,09=80+37,5=117,5
A)(-0,3)²: O,1 - O,2³× (2½)² =
= 0,09 : 0,1 - 0,008 * (5/2)² =
= 0,9 - 0,008 * 25/4 =
= 9/10 - 2/40 =
= 9/10 - 1/20 =
= 18/20 - 1/20 =
= 17/20
====================================
B) (-0,1)⁴ × 20³+ (1½)³: (-0,3)² =
= 0,0001 * 8000 + (3/2)³ : 0,09 =
= 0,8 + 27/8 : 9/100 =
= 0,8 + 27/8 * 100/9 =
= 0,8 + 375 =
= 375,8