Răspuns :

Dianabanto23id

Răspuns:

a) 1²=1

9²=81

4×(0,25)²=4×0,25=1

2×2²=2×4=8

b) 3×5²=75

49×(1,57143)²=121

25×3²=25×9=225

36×2²=36×4=144

c) (0,5)²-0,25=0

2×(0,4)²-0,32=2×0,16-0,32=0,32-0,32=0

4×(0,1)²=4×0,01=0,04

3×(1,89737)²=10,8

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