1. ((15/28-11/36)21/29+48/7: 16/21): 32/2 2. (3/2+8/3+15/4)×(14/1-121/8: - вопрос №533495911528113621294871621322232831541411218115 от mariyakarimova2 29.10.2021 02:23

Question

Математика: 1. ((15/28-11/36)21/29+48/7: 16/21): 32/2 2. (3/2+8/3+15/4)×(14/1-121/8: 11/5)×18/5 3. (74/5-83/12+51/4-107/15): (32/3-17/12)+8/3×15/4

mariyakarimova2 · Answer

вот, но только первое: ((15/28-11/36)21/29+48/7:16/21):32/2= ((15/28 *9-11/36 *7)*21/29+48/7:16/21):32/2=((135-77/252)*21/29+48*21/7*16):32/2=(58*21/252*29 +3: 32/2=19/6:32/2=19*2/32*6=19/96...