问题
计算题
脱式计算。 | ||||||
|
答案
(1)1470+836-215
=2306-215
=2091
=75-7
=68
=827-512
=315
(4)(112-56)÷7
=56÷7
=8
=656-289
=367
=455+197
=652
脱式计算。 | ||||||
|
(1)1470+836-215
=2306-215
=2091
=75-7
=68
=827-512
=315
(4)(112-56)÷7
=56÷7
=8
=656-289
=367
=455+197
=652