三年级数学下册四则混合运算练习(135+75) ÷ (14 × 5)1024 ÷ 16× 3
120-60 ÷ 5× 5
(135+415) ÷ 5+16
240+480 ÷ 30× 2
(120 × 2+120) ÷ 9
330÷ (65-50)×18
(360-144)÷24×3
225-10 × (6+13)
164-13 × 5+85
19× 96-962 ÷ 74
1200-20
64× (12+65 ÷ 13)5940 ÷ 45× (798-616)
(315 × 40-364) ÷ 7
(2010-906)×(65+15)
106× 9-76 × 9
3774 ÷ 37× (65+35)
5940 ÷ 45× (798-616)12520÷8×(121 ÷11)
(20+120 ÷ 24) × 8
117÷ 13+36× 15
540-(148+47)÷13
21× (230-192 ÷ 4)
19× 96-962 ÷ 7410000-(59+66)×64 735× (700-400 ÷ 25)
1520-(1070+28×2)
690+47 × 52-398
360× 24÷ 32+730(315 × 40-364) ÷ 7 920-1680 ÷ 40÷ 7
148+3328 ÷ 64-75
2100-94+48 × 54