Question

culează:
a) 7 x8+67-37
9 +56 - 25:5
c)
b) 7 x 6 - 12 + 7 x 10
15 - 15:3+ 2 x 5 x 5
400 + 5x8 + 72:9-48
300-64:8 +66-28
​

Answer 1

Răspuns:

7x8+67-37=

56+67-37=

123-37=86

9+56-25:5=

9+56-5=

65-5=60

7x6-12+7x10

42-12+10

30+10=40

15-15:3+2x5x5

15-5+10x5

15-5+50

10+50=60

400+5x8+72:9-48

400+40+8-48

440+8-48=

448-48=400

300-64:8+66-28=

300-8+66-28

292+66-28

358-28=330