13440÷32=420
420÷7=60
7×123=861
60+861=921
13 440:32:7+7•123=921
1) 13 440 :32:7 =60
2) 7•123=861
3) 861+60=921
13440÷32=420
420÷7=60
7×123=861
60+861=921
13 440:32:7+7•123=921
1) 13 440 :32:7 =60
2) 7•123=861
3) 861+60=921