b) 640 = 80 x 4 - 4 of 20 +639 - 72:9
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Answered by
8
Answer:583
Step-by-step explanation:
=(640/80)×4-(4×20)+639-(72/9)
=8×4-80+639-8
=32-80+639-8
=(-48)+639-8
=583
Answered by
2
Answer:
583
Step-by-step explanation:
this is the correct ok
ok bye
thank you
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