解:10898 +216=108x98+108x2=108x(98+2)=108x100=10800
108x98+216=108x98+108x2=(98+2)x108=100x108=10800\
简便计算108*98+216=108x98+108x2=108x(98+2)=108x100=10800
98+98=100-2+100-2=(100+100)-(2+2)=200-4=196
25X(98十98十98十98)简便运算怎么算=25*4*98=100*98=9800
16*98+2 =16*100-16*2+2 =1600-32+2 =1600-30 =1570 你好,本题已解答,如果满意 请点右下角“采纳答案”.
98十265+202=(98+202)+265=300+265=565
简便计算793十98793十98=793+100-2=893-2=891
218+98=216+2+98=216+(2+98)=216+100=316
解:原式= (100-2) (100+2)-(100-1) 2 =100 2 -4-100 2 +200-1 =-4+200-1 =195