问题 填空题

当a=4,b=0.3,c=5时,ab+c的值是______,c÷a-b的值是______.

答案

(1)ab+c,

=4×0.3+5,

=6.2;

(2)c÷a-b,

=5÷4-0.3,

=0.95.

故答案为:6.2;0.95.

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单项选择题