Question

6400:100*7+67= И 900-810:9*10=

Answer 1

6400 : 100 * 7 + 67 = 515
1) 6400 : 100 = 64
2) 64 * 7 = 448
3) 448 + 67 = 515

900 - 810 : 9 * 10 = 0
1) 810 : 9 = 90
2) 90 * 10 = 900
3) 900 - 900 = 0

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