六年级简算(3题)
问题描述:
六年级简算(3题)
205×16
60×(4/3-2/3+2/5)
5.37-(3.65+1.37)
答
205×16
=(200+5)×16
=200×16+5×16
=3200+80
=3280
60×(4/3-2/3+2/5)
=60×(2/3+2/5)
=60×2/3+60×2/5
=40+24
=64
5.37-(3.65+1.37)
=5.37-1.37-3.65
=4-3.65
=0.35