3
根据百数表的顺序，填写空格里的数

$46 - 7 =$ $35 - 3 =$ $22 - 3 =$
$47 - 6 =$ $56 - 8 =$ $48 - 9 =$
$38 + 6 =$ $61 - 9 =$ $78 + 20 =$
$29 + 7 =$ $27 + 4 =$ $45 + 7 =$
$18 + 30 =$ $48 + 6 =$ $32 - 6 =$
$63 - 30 =$ $53 - 30 =$ $43 - 7 =$
$38 + 20 =$ $62 - 60 =$ $56 + 5 =$
$49 - 40 =$ $17 + 30 =$ $72 - 30 =$
$30 + 27 =$ $43 - 9 =$ $31 - 20 =$
$62 - 20 =$ $72 - 8 =$ $34 - 7 =$
$65 - 26 =$ $28 - 14 =$ $73 - 29 =$
$15 + 28 =$ $8 + 35 =$ $10 + 52 =$
$20 + 38 =$ $66 - 6 =$ $48 - 19 =$
$41 + 6 =$ $55 - 50$ $10 + 35 =$

39,32,19,41,48,39,44,52,98,36,31,52,48,54,26,33,23,36,58,2,61,9,47,42,57,34,11,42,64,27,39,14,44,43,43,62,58,60,29,47,5,45

$46 - 7 = 39$；$35 - 3 = 32$；$22 - 3 = 19$；
$47 - 6 = 41$；$56 - 8 = 48$；$48 - 9 = 39$；
$38 + 6 = 44$；$61 - 9 = 52$；$78 + 20 = 98$；
$29 + 7 = 36$；$27 + 4 = 31$；$45 + 7 = 52$；
$18 + 30 = 48$；$48 + 6 = 54$；$32 - 6 = 26$；
$63 - 30 = 33$；$53 - 30 = 23$；$43 - 7 = 36$；
$38 + 20 = 58$；$62 - 60 = 2$；$56 + 5 = 61$；
$49 - 40 = 9$；$17 + 30 = 47$；$72 - 30 = 42$；
$30 + 27 = 57$；$43 - 9 = 34$；$31 - 20 = 11$；
$62 - 20 = 42$；$72 - 8 = 64$；$34 - 7 = 27$；
$65 - 26 = 39$；$28 - 14 = 14$；$73 - 29 = 44$；
$15 + 28 = 43$；$8 + 35 = 43$；$10 + 52 = 62$；
$20 + 38 = 58$；$66 - 6 = 60$；$48 - 19 = 29$；
$41 + 6 = 47$；$55 - 50 = 5$；$10 + 35 = 45$。