35乘36加36乘37加34乘35加37乘34
=35*(36+34)+37(36+34)
=(36+34)*(35+37)
=70*72
=5040
=[(35+37)乘以]36+[34乘以(35+37)]
35*36+36*37+34*35+37*34
=35*(36+34)+37*(36+34)
=35*70+37*70
=70*(35+37)
=70*72
=5040
35*36+36*37+34*35+37*34
=36*(35+37)+34*(35+37)
=72*(36+34)
=72*70
=70*(70+2)
=70*70+70*2
=4900+140
=5040