来自马瑞金的问题
(1)0.192×12.5+2.67÷45-1.25×3.59(2)16+112+120+130+142(3)1÷(2÷3)÷(3÷4)÷(4÷5)÷(5÷6)(4)246×321963÷123369+19941994÷19.94(5)155+255+…+1055-11155-12155-…-20155.
(1)0.192×12.5+2.67÷45-1.25×3.59
(2)16+112+120+130+142
(3)1÷(2÷3)÷(3÷4)÷(4÷5)÷(5÷6)
(4)246×321963÷123369+19941994÷19.94
(5)155+255+…+1055-11155-160-…-161.
1回答
2020-05-07 00:12