问题
计算题
脱式计算。 | ||||||
|
答案
(1)247+326+148
=573+148
=721(2)926-342-457
=584-457
=127(3)352+(716-677)
=352+39
=391
(4)532-287+469
=245+469
=714(5)75-35÷5
=75-7
=68(6)(68-40)÷4
=28÷4
=7
脱式计算。 | ||||||
|
(1)247+326+148
=573+148
=721(2)926-342-457
=584-457
=127(3)352+(716-677)
=352+39
=391
(4)532-287+469
=245+469
=714(5)75-35÷5
=75-7
=68(6)(68-40)÷4
=28÷4
=7