Question

1)154•78+3900:65-216•53=
2)(39002-37236)•205+115•78=

Answer 1

154×78+3900÷65-216×53=624
1) 154×78=12012
2) 216×53=11448
3)3900÷65=60
4) 12022+60=12072
5) 12072-11448=624

(39002-37236)×205+115×78=371000
1) 39002 -37236 =1766
2) 1766×205=362030
3) 115×78=8970
4) 362030+8970=371000