254+856-10×2÷1
=1.110-20÷1
=1.110-20
=1.090
----------------------------------------
145+632-14×5÷1
=777-70
=707
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Penyelesaian:
254+856-10×2÷1
=1.110-20÷1
=1.110-20
=1.090
----------------------------------------
145+632-14×5÷1
=777-70
=707