(88×125+125×12)+25×288=125x(88+12)+25x288=125x100+25x4x72=12500+7200=19700
七又五分之四+七十七又五分之四+七百七十七又五分之四+1/5×3
=(39/5+1/5)+(七十七又五分之四+1/5)+(七百七十七又五分之四+1/5)
=8+78+778
=864
1/17÷9×8+1/9×9/17
(88×125+125×12)+25×288=125x(88+12)+25x288=125x100+25x4x72=12500+7200=19700
七又五分之四+七十七又五分之四+七百七十七又五分之四+1/5×3
=(39/5+1/5)+(七十七又五分之四+1/5)+(七百七十七又五分之四+1/5)
=8+78+778
=864
1/17÷9×8+1/9×9/17