题目内容
脱式计算 360+25×4 |
(38+82)÷4 | 12×8×2 |
850-25×3 | 14×5×4 | 33+27×3 |
分析:(1)先算乘法,再算加法;
(2)先算小括号里面的加法,再算括号外的除法;
(3)(5)按照从左到右的顺序计算;
(4)先算乘法,再算减法;
(6)先算乘法,再算加法.
(2)先算小括号里面的加法,再算括号外的除法;
(3)(5)按照从左到右的顺序计算;
(4)先算乘法,再算减法;
(6)先算乘法,再算加法.
解答:解:(1)360+25×4
=360+100
=460;
(2)(38+82)÷4
=120÷4
=30;
(3)12×8×2
=96×2
=192;
(4)850-25×3
=850-75
=775;
(5)14×5×4
=70×4
=280;
(6)33+27×3
=33+81
=114.
=360+100
=460;
(2)(38+82)÷4
=120÷4
=30;
(3)12×8×2
=96×2
=192;
(4)850-25×3
=850-75
=775;
(5)14×5×4
=70×4
=280;
(6)33+27×3
=33+81
=114.
点评:本题考查了简单的四则混合运算,计算时先理清楚运算顺序,根据运算顺序逐步求解即可.
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