jessicawelch25
01.06.2020 •
Mathematics
If you’re good at geometry can somebody help me?
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Ответ:
Step-by-step explanation:
Problem 1.
Problem 2
Ответ:
1. 6(3-8)-10
=6(-5)-10
=-30-10
=-40
2.30(3)+15(10)
=90+150
=240
3. 2(3)(3+32+32)
=6(67)
=402