640÷80×4-4×20+639-72÷9
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by using BoDMAS rule
640÷80×4-4×20+639-72÷9
=8×4-4×20+639-8
=32-80+639-8
=583
I hope this will help u ;)
640÷80×4-4×20+639-72÷9
=8×4-4×20+639-8
=32-80+639-8
=583
I hope this will help u ;)
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