问题 解答题
329×99+32912600÷15×28(112-2726÷58)×160
(3180+2491)÷(207-154)12150÷45-7650÷4527+979+1973+9021.
答案

(1)329×99+329,

=329×(99+1),

=329×100,

=32900;

(2)12600÷15×28,

=840×28,

=23520;

(3)(112-2726÷58)×160,

=(112-47)×160,

=65×160,

=10400;

(4)(3180+2491)÷(207-154),

=5671÷53,

=107;

(5)12150÷45-7650÷45,

=(12150-7650)÷45,

=4500÷45,

=100;

(6)27+979+1973+9021,

=(27+1973)+(979+9021),

=2000+10000,

=12000.

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