题目内容
计算。(能简算的要简算) | ||||||
|
(1)125×32×25 =125×8×(4×25) =100000 |
(2)630÷14 =7×90÷(7×2) =45 |
(3)135×99+135×2 |
(4)42×73-42×63 =42×10 =420 |
(5)102×32 =3200+64 =3264 |
(6)280÷[(86-79)×4] =280÷28 =10 |
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题目内容
计算。(能简算的要简算) | ||||||
|
(1)125×32×25 =125×8×(4×25) =100000 |
(2)630÷14 =7×90÷(7×2) =45 |
(3)135×99+135×2 |
(4)42×73-42×63 =42×10 =420 |
(5)102×32 =3200+64 =3264 |
(6)280÷[(86-79)×4] =280÷28 =10 |