9 4/7*9 4/7= 9 3/7*9 3/7= 21 7/12*21 7/12= 2 5/12*2 - вопрос №94794793793721712217122512251211061561 от Anna124212 22.04.2020 02:03

Question

Математика: 9 4/7*9 4/7= 9 3/7*9 3/7= 21 7/12*21 7/12= 2 5/12*2 5/12=

Anna124212 · Answer

Пошаговое объяснение:9 4/7 ·9 4/7=67/7 ·67/7=4489/49=91 30/499 3/7 ·9 3/7=66/7 ·66/7=4356/49=88 44/4921 7/12 ·21 7/12=259/12 ·259/12=67081/144=465 121/1442 5/12 ·2 5/12=29/12 ·29/12=841/144=5 121/144...