题目内容
脱式计算
124+171÷3
124×5÷4
272÷(4×2)
124+171÷3
124×5÷4
272÷(4×2)
(1)124+171÷3
=124+57
=181;
(2)124×5÷4
=620÷4
=155;
(3)272÷(4×2)
=272÷8
=34.
=124+57
=181;
(2)124×5÷4
=620÷4
=155;
(3)272÷(4×2)
=272÷8
=34.
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