(6900-2400)÷5 75÷15+20×5 3090+6×6 = = = = = =
(387-387)+0 160-160÷80 750+550÷5 = =
(111+189)×3 = =
(1+7)×(16-6) = =
187+299-299 = = 153÷153+657 = =
= = 125×8÷100 = = 810×4÷4 = = 587+496-674 = = 32÷(32÷16) = = 三年级数学脱式计算
= = 6×250×0 = = 33÷11+4×9 = = 2660+26÷26 = =
300-(300-222) = = 75÷15+20×5 (150-75)×(25-20)
= = = =
3390-10×95 687+(99-67)
= =
1000+(1000-988)= =
(250-150)÷(30÷6) = =
= = 3560+20×90
= = 687+999÷3
= = 三年级数学脱式计算