（1）18 × 88 =
    （2）23 × 55 =
    （3）93 × 14 =
    （4）88 × 67 =
    （5）44 × 55 =
    （6）22 × 14 =
    （7）91 × 69 =
    （8）61 × 55 =
    （9）31 × 60 =
    （10）73 × 54 =
    （11）67 × 37 =
    （12）25 × 31 =
    （13）79 × 26 =
    （14）97 × 75 =
    （15）35 × 35 =