計算下列各題,要仔細喲!
350÷70×104= 198+2×64= 230-735÷35= (79+57)÷34=
分析:(1)先算除法,再算乘法;
(2)先算乘法,再算加法;
(3)先算除法,再算減法;
(4)先算加法,再算除法.
解答:解:(1)350÷70×104
=5×104
=520;

(2)198+2×64
=198+128
=326;

(3)230-735÷35
=230-21
=209;

(4)(79+57)÷34
=136÷34
=4.
點評:整數(shù)混合運算的關(guān)鍵是抓住運算順序,正確運算得出答案即可.
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