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【单选题】
若已定义:int a=6;float b=1.5; 要求输出形式为: 6 * 1.50=9.00 ,用的正确输出语句是( )。A.
printf("%d * %f=%f",a,b,a*b)
B.
printf("%d * %.2f=%.2f",a,b,a*b)
C.
printf("%d * %d=%.2f",a,b,a*b);
D.
printf("%.2f * %.2f=%.2f",a,b,a*b)
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