Question
Find : 3÷67+7÷212 −2÷5
Answer: Option B
:
B
3÷67+7÷212−2÷5∴3×76+7×221−25∴72+23−25LCMof2,3,5is30∴72=7×152×15=1053023=2×103×10=203025=2×65×6=1230∴105+20−1230=11330∴11330=32330
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:
B
3÷67+7÷212−2÷5∴3×76+7×221−25∴72+23−25LCMof2,3,5is30∴72=7×152×15=1053023=2×103×10=203025=2×65×6=1230∴105+20−1230=11330∴11330=32330
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