Объяснение:
1. 400-(325+25)
1) 325+25=350
2)400-350=50
______________
2. 152+(89+111)
1) 89+111=200
2) 200+152=352
________________
3. (652-526)11.000-2.982+158
1)652-526= 126
2)11.000-2982=8018
3)8018+158=8176
_________________
4. (903-254)756:4(300-220)
1) 903-254=649
2) 300-220=80
3)756:4=189
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Answers & Comments
Объяснение:
1. 400-(325+25)
1) 325+25=350
2)400-350=50
______________
2. 152+(89+111)
1) 89+111=200
2) 200+152=352
________________
3. (652-526)11.000-2.982+158
1)652-526= 126
2)11.000-2982=8018
3)8018+158=8176
_________________
4. (903-254)756:4(300-220)
1) 903-254=649
2) 300-220=80
3)756:4=189
_________________