如题所述
第1个回答 2022-10-17
31/6 - ( 3/5 + 1/3 + 7/5 )
= (31/6-1/3)-(3/5+7/5)
=29/6-2
=17/6
[ 1 - ( 1/4 - 0.1 ÷ 2 ) ] × 5/13
=[1-1/5]×5/13
=4/5×5/13
=4/13
24 × ( 3/8 + 2/3 - 5/6 )
=24×(3/8-1/6)
=24×5/24
=5,4,六年级分数简算题
31/6 - ( 3/5 + 1/3 + 7/5 )
[ 1 - ( 1/4 - 0.1 ÷ 2 ) ] × 5/13
24 × ( 3/8 + 2/3 - 5/6 )
注：“/”是分数线,分数线前是分子,后是分母.
= (31/6-1/3)-(3/5+7/5)
=29/6-2
=17/6
[ 1 - ( 1/4 - 0.1 ÷ 2 ) ] × 5/13
=[1-1/5]×5/13
=4/5×5/13
=4/13
24 × ( 3/8 + 2/3 - 5/6 )
=24×(3/8-1/6)
=24×5/24
=5,4,六年级分数简算题
31/6 - ( 3/5 + 1/3 + 7/5 )
[ 1 - ( 1/4 - 0.1 ÷ 2 ) ] × 5/13
24 × ( 3/8 + 2/3 - 5/6 )
注：“/”是分数线,分数线前是分子,后是分母.
