1/6×(6.75÷5/12-2.4+41/4×22/5)-11/8-0.875.
问题描述:
×(6.75÷1 6
-2.4+45 12
×21 4
)-12 5
-0.875. 1 8
答
×(6.75÷1 6
-2.4+45 12
×21 4
)-12 5
-0.8751 8
=
×(6.75×2.4-2.4+41 6
×2.4)-(11 4
-0.875)1 8
=
×24(6.75-1+4.25)-21 6
=
×24×10-21 6
=40-2
=38.