Вычислите по действиям:5189+(1030-709)*120 7402-(3103+809):12 3000-(2005-1800:9*7)
5189+321*120= 5189+ 38520=43709
7402-3912:12= 7402-326=7076
3000 − (2005 − 1800 / 9 × 7) = 2395
1)1030-709=321
2)321*120=38520
3)5189+38520=43709
==================
1)3103+809=3912
2)3912:12=326
3)7402-326=7076
======================
1)1800:9=200
2)200*7=1400
3)2005-1400=605
4)3000-605=2395
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5189+321*120= 5189+ 38520=43709
7402-3912:12= 7402-326=7076
3000 − (2005 − 1800 / 9 × 7) = 2395
1)1030-709=321
2)321*120=38520
3)5189+38520=43709
==================
1)3103+809=3912
2)3912:12=326
3)7402-326=7076
======================
1)1800:9=200
2)200*7=1400
3)2005-1400=605
4)3000-605=2395