105十56÷7x4怎样简便怎样算?
2个回答
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解:105+56÷7×4等于( 137 )
∵已知需求出105+56÷7×4等于多少
∴105 + 56 ÷ 7 × 4
= 105 + 56 × 1/7 × 4
= 105 + 56/7 × 4
= 105 + 8 × 4
= 105 + 32
= (100 + 5)+ (30 + 2)
= 100 + 5 + 30 + 2
= (100 + 30)+(5 + 2)
= 130 + 7
= 137
答:105+56÷7×4等于137
∵已知需求出105+56÷7×4等于多少
∴105 + 56 ÷ 7 × 4
= 105 + 56 × 1/7 × 4
= 105 + 56/7 × 4
= 105 + 8 × 4
= 105 + 32
= (100 + 5)+ (30 + 2)
= 100 + 5 + 30 + 2
= (100 + 30)+(5 + 2)
= 130 + 7
= 137
答:105+56÷7×4等于137
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