文档介绍:
× 49/9 - 4/3
× 15/36 + 1/27
× 5/6 – 2/9
× 3
× 5/4 + 1/4
÷ 3/8
–3/8
÷ 6
× 5/9 + 3/7
× 5/9
-
( 3/2 + 4/5
)
+
( 1/8 + 1/9
)
× 5/6 + 5/6
× 8/9 - 1/3
× 5/49 + 3/14
× ( 1/2 + 2/3
)
× 4/5 + 8 × 11/5
× 5/6
–5/6
-
( 2/7
–10/21)
× 18
–14
× 2/7
× 25/16 + 2/3
× 3/4
× 8/7
–5/6
× 12/15
–3/4 × 9/24
× 2/9 + 1/3
× 3/25 + 3/7
×× 2/3 + 1/6
× 2/3 + 5/6
+ 1/11
÷ 1/2
× 11/5 + 4/3
× 2/3 + 1/3
× 15
+ 12/19
× 5/6
+ 3/4
÷ 2/3
× 21/16 + 1/2
× 1/5
– 1/5 × 21
+ 160÷ 40 ( 58+370 ) ÷(64-45 )
-144 ÷ 18+35
+45 × 2-4160 ÷ 52
34 (58+37 )÷(64-9 ×5)
÷ ( 64-45 )
-145 ÷ 5× 6+42 420+580-64 × 21÷ 28
-700 ÷ (9+31× 11 ) ( 136+64 ) ×( 65-345 ÷ 23 )
+14 × ( 14+208÷ 26 )
39. ( 284+16 )×(512-8208 ÷ 18 )
-36 × 4÷ 18+35
41. ( 58+37 ) ÷( 64-9 ×5)
42.(- × )
÷
× ÷ ×
44. ( × +
) ÷
( 2 ) ×( +
) ÷
-
÷ 4= +-=
÷ -
× 5= 6-
× 3-=
× ( - ×4) =
× + ×
-
× -