Question 108
Evalutate : (0.3)×(0.3)−(0.2)×(0.2)
Given(0.3)×(0.3)−(0.2)×(0.2)∵ 03=310 and 0.2=210∴(310×310)−(210×210)=9100−4100=9−4100=5100=0.05
Solve: 0.5x−(0.8−0.2x)=0.2−0.3x
0.2 x 0.3 is _______.
(2.5×0.5)+(1.3×0.3)−(1.4×0.2) = _____