题目内容
用递等式计算.
(1)735÷7÷3
(2)(850-770)×12
(3)900-300÷6.
(1)735÷7÷3
(2)(850-770)×12
(3)900-300÷6.
(1)735÷7÷3
=105÷3,
=35;
(2)(850-770)×12
=80×12,
=960;
(3)900-300÷6
=900-50,
=850.
=105÷3,
=35;
(2)(850-770)×12
=80×12,
=960;
(3)900-300÷6
=900-50,
=850.
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