Simplify 640÷80×4-4 of 20+639-72÷9
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640 / 80 * 4 - 4 of 20 + 639 - 72 / 9
Sol.) By BODMAS,
= 640 / 80 * 4 - 80 + 639 - 72 / 9
= 8 * 4 - 80 + 639 - 8
= 32 - 80 + 639 - 8
= 32 - 719 - 8
= -695 Ans.
Sol.) By BODMAS,
= 640 / 80 * 4 - 80 + 639 - 72 / 9
= 8 * 4 - 80 + 639 - 8
= 32 - 80 + 639 - 8
= 32 - 719 - 8
= -695 Ans.
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