六年级数学计算题HAO.doc
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六年级数学计算题训练一
+X = 2X– = 3X–1.4×2=1.1
5.5x–3x = 1.75 X+ = X+?=
X = 40 X? = X?X =
X+X = 18 X = 15? X×(+)=
X×(1+)= 25 (1–)X = X×× = 10
X? = 15鱔 = X? = 8?
(+)?+
30?=?+)
?
+) ?+ ?
六年级数学计算题训练二
X×× = 18 X× = 24× X×× = 4
125X+25X= 10 7X?X = 21 X? = 18?
[1? +)]? ??? 讀+ ?5 = 12
(1–×)÷ ÷×7 X+x = 20
–(+) ×– +–
25÷(–) (?)? +) [1? +)]?.5
( +?)?2 72? ?+)
六年级数学计算题训练三
[(1–)×]÷4 ++ 12÷(1–)
×[?[+)] [(1??)? [(1?)?]?
8? ?? ??? (?)?
?+ ? ++? (+)?1? )
72×(–+) ×+÷7 4–÷–
+×+ +×+ 2–÷–
×8+×2 15×+15×
六年级数学计算题训练四
×(9+)– ÷+× 2–×–
+÷+ 30×(+–) +÷+
6–×– 4–÷– 48×(–+)
12×(–+) +×+ ×+÷5
÷9+× 24×(+) (+)×60–27
(–)×70 97× 5––
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