脱式计算,怎样算简便就怎样算. 153÷17+32×6 812÷(532-36×14) 83×29+17×29 99×64

2025-03-31 20:12:02
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回答1:

(1)153÷17+32×6,
=9+192,
=201;

(2)812÷(532-36×14),
=812÷(532-504),
=812÷28,
=29;

(3)83×29+17×29,
=(83+17)×29,
=100×29,
=2900;

(4)99×64,
=(100-1)×64,
=100×64-1×64,
=6400-64,
=6336;

(5)245-148-52,
=245-(148+52),
=245-200,
=45;

(6)350÷42,
=350÷(7×6),
=350÷7÷6,
=50÷6,
=8

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