>>>>四年级下册四则运算班别:姓名:成绩:
四则运算顺序:先乘除,后加减,有括号的要先算括号里面的运算。脱式计算:
128+35×3700-125×3330÷5+46×7
104×9-72÷8145-150÷2+23984÷6×3
18×5+522÷348×3+240×289×2+86
450÷5+29×6784÷8+105×4252÷9÷(11-4)
560÷4-630÷7(210+630÷7522÷(328-319)+42
(42+18×(56-26)162÷6-96÷8305×(400-395)-278
149×5+520×4900÷(15÷3)58×(6×4)÷29
3+(289-198×27362÷9×7953-180×5
64×8+78×22(439+725)÷68388÷9-668÷4
>>>>26×4-425÷5(100-51)÷1740×(5+3)
(135+65)÷(15-7)(37×15-55)×8(445÷5+172)×18
300-(76+40×3)(279+32×15)×64(488+32×5)÷12
45+55÷5-2012×(280-80÷4)400-225÷5+145
156+187÷17×9325÷13×(266-250)(242+556)÷14×8
(105+24)×15÷3175+280÷40-25(