$160 × 5 = $
$4 × 250 = $
$0 × 518 = $
$10 × 76 = $
$36 × 10 = $
$15 × 6 = $
$24 × 3 = $
$5 × 18 = $
$26 × 4 = $
$7 × 15 = $
$32 × 30 = $
$40 × 15 = $
$60 × 12 = $
$42 × 2 = $
$99 ÷ 3 = $
$770 ÷ 7 = $
$660 ÷ 3 = $
$960 ÷ 3 = $
$105 × 7 = $
$960 ÷ 4 = $
$960 ÷ 2 = $

解析：这些题目都是基础的数学运算题目，包括乘法和除法，主要考察学生的计算能力。
答案：
$160×5=800$
$4×250=1000$
$0×518=0$
$10×76=760$
$36×10=360$
$15×6=90$
$24×3=72$
$5×18=90$
$26×4=104$
$7×15=105$
$32×30=960$
$40×15=600$
$60×12=720$
$42×2=84$
$99÷3=33$
$770÷7=110$
$660÷3=220$
$960÷3=320$
$105×7=735$
$960÷4=240$
$960÷2=480$

$180 ÷ 9 = $
$365 + 1115 = $
$660 ÷ 6 = $
$800 × 2 = $
$50 ÷ 5 = $
$3 × 800 = $
$420 ÷ 7 = $
$3 × 220 = $
$480 ÷ 4 = $
$58 + 33 = $
$420 - 20 = $
$93 ÷ 3 = $
$880 ÷ 4 = $
$1200 - 200 = $
$112 × 7 = $
$232 × 30 = $
$130 × 50 = $
$1500 - 700 = $
$580 + 330 = $
$530 - 480 = $
$505 ÷ 5 = $

解析：
这些题目都是基础的数学运算，包括除法、加法、乘法和减法。我们只需要按照数学运算的规则，逐一解答即可。
答案：
$180 ÷ 9 = 20$
$365 + 1115 = 1480$
$660 ÷ 6 = 110$
$800 × 2 = 1600$
$50 ÷ 5 = 10$
$3 × 800 = 2400$
$420 ÷ 7 = 60$
$3 × 220 = 660$
$480 ÷ 4 = 120$
$58 + 33 = 91$
$420 - 20 = 400$
$93 ÷ 3 = 31$
$880 ÷ 4 = 220$
$1200 - 200 = 1000$
$112 × 7 = 784$
$232 × 30 = 6960$
$130 × 50 = 6500$
$1500 - 700 = 800$
$580 + 330 = 910$
$530 - 480 = 50$
$505 ÷ 5 = 101$

$80 - 46 = $
$70 ÷ 7 = $
$14 × 2 = $
$5 × 900 = $
$2 × 200 = $
$84 ÷ 4 = $
$930 ÷ 3 = $
$390 ÷ 3 = $
$83 - 57 = $
$29 + 68 = $
$68 - 49 = $
$80 × 7 = $
$800 ÷ 4 = $
$40 × 70 = $
$143 + 382 = $
$190 × 50 = $
$1184 - 465 = $
$643 - 161 = $
$80 × 60 = $
$120 × 80 = $
$800 - 430 = $

解析：
这些问题主要考查基础的数学运算能力，包括减法、除法、乘法和加法。
答案：
$80 - 46 = 34$
$70 ÷ 7 = 10$
$14 × 2 = 28$
$5 × 900 = 4500$
$2 × 200 = 400$
$84 ÷ 4 = 21$
$930 ÷ 3 = 310$
$390 ÷ 3 = 130$
$83 - 57 = 26$
$29 + 68 = 97$
$68 - 49 = 19$
$80 × 7 = 560$
$800 ÷ 4 = 200$
$40 × 70 = 2800$
$143 + 382 = 525$
$190 × 50 = 9500$
$1184 - 465 = 719$
$643 - 161 = 482$
$80 × 60 = 4800$
$120 × 80 = 9600$
$800 - 430 = 370$