Solve simplyfy 640÷80×4_4of20+639_72÷9
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Here we use BODMAS concept
640÷ 40 ×4 -4 of 20 + 639 -72÷ 9
= 640 ÷40×4 -4× 20 +639 -72÷9
=640×1/40× 4 -80+639-72×1/8
=64 -80 + 639 -9
= -25 +639
= 614
640÷ 40 ×4 -4 of 20 + 639 -72÷ 9
= 640 ÷40×4 -4× 20 +639 -72÷9
=640×1/40× 4 -80+639-72×1/8
=64 -80 + 639 -9
= -25 +639
= 614
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