помогите с математикой: Вычислите удобным способом: 1) 21,4+8,93+71,6 2) 84,36+...

August 2022 1 7 Report

помогите с математикой: Вычислите удобным способом:
1) 21,4+8,93+71,6
2) 84,36+11,64+46,75
3) 19,08+30,78+51,92
4) 0,8543++3,7689+1,1457
5)24,1245+5,3755+2,045
6) 3,0625+6,9375+ 15,258

Answers & Comments

darya942 1) 21,4+8,93+71,6
=21,4+71,6+8,93=93+8,93
=101,93
2) 84,36+11,64+46,75=
96+46,75=142,75
3) 19,08+30,78+51,92
=19,08+51,92+30,78
=71+30,78=101,78
4) 0,8543+3,7689+1,1457=
0,8543+1,1457+3,7689 =2+3,7689=5,7689
5)24,1245+5,3755+2,045=29,5+2,045
=31,545
6) 3,0625+6,9375+15,258
=10+15,258 =25,258

3 votes Thanks 2

AlfiyaAkhmadullina спасибо большое

kakoj cifroj okanchivaetsya chyotnoe chislo delyasheesya na 5 kakomu iz chisel vsegda k8b6dc81ece7d7c106b10606ff1ab5ac0 27410

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