能简算的要简算:6.17×3.4+3.4×3.83(56-37)×42(229+323)×29×2356÷[16÷(34-23)]425÷[(25+13)×911]231÷231231232.-数学
题文
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答案
(1)6.17×3.4+3.4×3.83, =3.4×(6.17+3.83), =3.4×10, =34; (2)(
=
=35-18, =17; (3)(
=(
=[
=[(
=[2×23]+[3×29], =46+87, =133; (4)
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题文
|
答案
(1)6.17×3.4+3.4×3.83, =3.4×(6.17+3.83), =3.4×10, =34; (2)(
=
=35-18, =17; (3)(
=(
=[
=[(
=[2×23]+[3×29], =46+87, =133; (4)
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