a) (45 + 25). 3
ə) (450 + 250): 5
6) (85 + 25) – 40
B) 500 – 120.4столбиком
ə) (450 + 250): 5
6) (85 + 25) – 40
B) 500 – 120.4столбиком
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Ответ:
А)
+ 45. 70
25. *. 3
_____. ____
70. 210
А) 450. 700: 5
+250. - 5. 140
______. _20
700. 20
6) 85. _ 110
+25. 40
_____. ______
110. 70
В) 120. _ 500
*. 4. 480
_______. ______
480. 20
б) (450+250):5=700:5=140
в) (85+25)-40=110-40=70
г) 500-
120=
380