题目内容
【题目】
3×5+4= 3×9+5= 1×6+4=
2×8+3= 4+7×2= 2+6×7=
【答案】19;32;10;19;18;44
【解析】
试题分析:先算乘法,再算加法.
解:(1)3×5+4,
=15+4,
=19;
(2)3×9+5,
=27+5,
=32;
(3)1×6+4,
=6+4,
=10;
(4)2×8+3,
=16+3,
=19;
(5)4+7×2,
=4+14,
=18;
(6)2+6×7,
=2+42,
=44.
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