1. 直接写出得数。(32☆)
$31 + 50 = $
$7×6 = $
$560 + 80 = $
$600 - 60 = $
$92 - 35 = $
$36÷6 = $
$20 + 280 = $
$260 + 40 = $
$26 + 14 = $
$18÷9 = $
$540 - 60 = $
$310 - 50 = $
$62 - 26 = $
$8×9 = $
$290 + 60 = $
$720 - 40 = $
$58 + 30 = $
$40÷5 = $
$480 - 90 = $
$860 + 70 = $
$92 - 61 = $
$6×9 = $
$640 - 60 = $
$720 - 80 = $
$17 + 33 = $
$28÷7 = $
$360 + 40 = $
$30 + 680 = $
$32 - 13 = $
$5×7 = $
$370 + 90 = $
$630 - 90 = $

81 42 640 540
57 6 300 300
40 2 480 260
36 72 350 680
88 8 390 930
31 54 580 640
50 4 400 710
19 35 460 540

2. 说说下面各题应先算什么,再计算。(18☆)
$6×6 + 14$
$38 + 7×5$
$80 + 4×9$
$9×3 + 83$
$2×6 + 58$
$6×5 + 70$
$129 + 8×9$
$6×4 + 54$
$7×7 + 54$
用时:____分钟
共得:____☆/50☆

50 73 116
110 70 100
201 78 103