1) 497,12+0,64*(4,516-0,0000512 : 0,0032) 2) 396,88+0,48*(6,514-0,0000336 : 0,0024) с решениями =)

497.12+0.64*(4.516-0.0000512:0.0032)=500

1)0.0000512:0.0032=0.016

2)4.516-0.016=4.5

3)0.64*4.5=2.88

4)497.12+2.88=500

ОТВЕТ: 500

396.88+0.48*(6.514-0.0000336:0.0024)=400

1)0.0000336:0.0024=0.014

2)6.514-0.014=6.5

3)0.48*6.5=3.12

4)396.88+3.12=400

ОТВЕТ: 400