100×10+(400÷(100_(50_30)))
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Answer:
100×10+[400÷{100-(50-30)}] = 1005
Step-by-step explanation:
100×10+[400÷{100-(50-30)}]
= 100×10+[400÷{100-20}]
= 100×10+5
= 1000+5
= 1005
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