Question

小学数学题简便运算？

运用简便运算算出答案，求过程 102×58 99×123 125×88 36×201

Answer 1

102X58=100X58+2X58=5800+116=5916 99X123=100X123-123=12300-123=12177 125X88=125X8X11=1000X11=11000 36X201=36X200+36=7236 希望被选最佳哦~

Answer 2

102x58=（100+2）x58=100x58+2x58=5800+116=5916
99x123=(100-1)x123=100x123-1x123=12300-123=12177
125x88=123x(80+8)=125x80+125x8=10000+1000=11000
36x201=36x(200+1)=36x200+36x1=7200+36=7236

Answer 3

102×58 = (100+2)×58 =100×58+2×58=5800+116=591699×123 = (100-1)×123 = 100×123 - 123 =12300-123 = 12177125×88 =125×(80+8) = 125×80+125×8=10000+1000=1100036×201=36×200+36 = 7200+36 =7236

Answer 4

102*58=（100+2）*（60-2）=6000-200+120-4=5916
99*123=（100-1）*123=12300-123=12177
125*88=125*（80+8）=10000+1000=11000
36*201=36*（20+1）=36*20+36=7236