脱式计算(1)(612-314)÷(13+1115)(2)16+112+130+142+156(3)2.25×35+2.75÷123+60%(4)(1+3+5+…+1001)-(2+4+6+…+1000)-数学
题文
脱式计算 (1)(6
(2)
(3)2.25×
(4)(1+3+5+…+1001)-(2+4+6+…+1000) |
答案
(1)(6
=(6
=3
=
=
(2)
=
|
题文
脱式计算 (1)(6
(2)
(3)2.25×
(4)(1+3+5+…+1001)-(2+4+6+…+1000) |
答案
(1)(6
=(6
=3
=
=
(2)
=
|