2.5×(1.7+1.7+1.7+1.7) 简算RT

问题描述:

2.5×(1.7+1.7+1.7+1.7) 简算
RT

=2.5*4*1.7
=10*1.7=17

2.5乘以{4乘以1.7}=2.5乘以4乘以1.7
=17
我不会打乘号啊……

2.5×(1.7+1.7+1.7+1.7)
=2.5×(4×1.7)
=2.5×4×1.7
=10×1.7
=17

2.5x4x1.7=10x1.7=17

2.5×(1.7+1.7+1.7+1.7)
=2.5×4×1.7
=10×1.7
=17

2.5×(1.7+1.7+1.7+1.7)=2.5×4×1.7=10×1.7=17