Question

calcule ........................

Answer 1

a)10-7 = 3

b) √81 = 9

c)3.3=9 + 4x4 = 16
9+16=25
√25=5

d) -4+10 = 6 /3= 2

e) 10.10= 100 - 8.8= 64
100-64 =36
√36= 6

f) (-5).(-5) = √+ 25 -4.1.6
√+25 -24
1