要简算 8×14×1.25; 3/5×8.8+0.6×1/5+60%.
问题描述:
要简算
8×14×1.25;
×8.8+0.6×3 5
+60%. 1 5
答
①8×14×1.25
=(8×1.25)×14
=10×14
=140
②
×8.8+0.6×3 5
+60%1 5
=0.6×8.8+0.6×0.2+0.6
=0.6×(8.8+0.2+1)
=0.6×10
=6