计算:0.1÷0.001-(397/12×33/5÷397/12+3.6×55/8+0.36×33.75)=_.
问题描述:
计算:0.1÷0.001-(39
×37 12
÷393 5
+3.6×57 12
+0.36×33.75)=______. 5 8
答
0.1÷0.001-(39
×37 12
÷393 5
+3.6×57 12
+0.36×33.75),5 8
=100-(39
÷397 12
×3.6+3.6×57 12
+0.36×33.75),5 8
=100-(3.6+3.6×5.625+3.6×3.375),
=100-(1+5.625+3.375)×3.6,
=100-10×3.6,
=100-36,
=64;
故答案为:64.