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11 Nov 2019
use the method of compatible numbers to obtain estimations. Show how the estimation is obtained.
a. -81/20
b. 31 x -51
c. 1/15 x 59
d. 3/10 + 1/11
use the method of compatible numbers to obtain estimations. Show how the estimation is obtained.
a. -81/20
b. 31 x -51
c. 1/15 x 59
d. 3/10 + 1/11
Reid WolffLv2
14 Jun 2019
