用简便方法计算下面各题。*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
（1）1700÷20÷5=.@8r/Q)p;P+l8U.T2V7C*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
算式：提示;T)I5c:T7l*|+R.V,K1A8~.b*D8g5v;d*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
（2）6300÷（63×5）=.K6E)H1Q3l-Y5u4X4O/|-T-N*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
算式：提示*R8s)F8L9R*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
（3）（8+4）×25=+f*R,P;W0h6t/J*i3J)m'N*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
算式：提示-Z-J7\)[;b5u7{7n4k*R*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
（4）4000÷125÷8=7P,P+w;x)x(T*`2S)W0b3o'A*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
算式：提示(m4E.P6`9j6M3u.@)e'X*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
（5）125×56 （6）102×36=(Z3j7M'H)|*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
算式：提示;I/O9m,p3y5J*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
（6）102×36=.y-g4z7J(J3V*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^
算式：提示4S9c0?5c'j0m)b9S8@7S,Z5]*k)t'J0x/w)f,t*B(R0E)^9}5O-x6X3p6^