3/7×2.96÷21/11÷(15/7×1.48)×42/11.
问题描述:
×2.96÷23 7
÷(11 11
×1.48)×45 7
. 2 11
答
×2.96÷23 7
÷(11 11
×1.48)×45 7
2 11
=
×3 7
×74 25
÷(11 23
×12 7
)×37 25
,46 11
=
×3 7
×74 25
×11 23
×7 12
×25 37
,46 11
=1.