1.直接写出得数。（每题1★）
$80+30=$
$1200-500=$
$70+40=$
$160-90=$
$70+80=$
$130-60=$
$800+100=$
$110-70=$
$60+80=$
$150-80=$
$50+70=$
$120-60=$
$130-70=$
$70+50=$
$150-70=$
$700+600=$
$180-90=$
$90+30=$
$140-50=$
$40+80=$
$130-50=$
$200+900=$
$50+80=$
$40+90=$
$800+400=$
$110-30=$
$90+50=$
$110-50=$
$70+90=$
$1700-800=$
$80+50=$
$150-60=$
$90+70=$
$130-80=$
$80+90=$
$1100-900=$

1.110 60 1200 700 120 80
110 80 140 70 1300 60
150 90 160 70 120 900
900 90 130 40 120 90
140 80 160 70 1100 50
120 130 170 60 130 200

2.算一算,填一填。(每空1★)

2.130 80 150 60
300 900 1700 1000