2、面包3元,饼干是面包的8倍,饼干多少钱? 答:饼干( )元。 3、课间活动:
踢毽子:一排4人,有3排 跳绳:35人 拍球:13人
(1)、踢毽子的有多少人?
(2)、跳绳的比拍球的多多少人? (3)、跳牛筋的比跳绳的少19人,跳牛筋的有多少人? (4)、踢毽子的和跳牛筋的一共有多少人? (5)、你还能提出什么问题?
第十五部分
65-24 = 66-16 = 77-34 = 93-61 = 85-25 = 55-14 = 67-56 = 56-9= 42 + 9= 43 + 3 = 48 +4 = 25 +3= 35 + 4= 23 + 9 = 3×5 = 9 + 26 =
- 31 -
25 + 5= 24 + 7 = 24 + 6 = 38 + 7 = 2×8= 53-20 = 45-20 = 43-21= 59-44 = 3×9= 36-14 = 87-77 = 36 +43 = 25 +55= 24 +16 = 5×2= 34 + 82= 49 + 5 = 2×2 = 7×4 = 46-8 = 3445-12= 98-50= 45 + 25= 18 + 20 = 36 + 2 = 24 + 25 = 35 + 12 = 9×5= 14-13= 60 + 32 =
第十六部分一、口算
16+82= 8689-19= 28×8= 2556+32= 4
-5= 83 63-12 = 78-23= 12 + 46 = 47 + 13 = 25 + 14 = 72-22 = 45 58-47= 2 31 + 12 = 34 + 25 = 17 + 12 = -39= 21×4= 26+52= 6×7= 67-6 = 45-23= 53-40 = 89-85= 56- 24 = 69-58 = 4×5 = 27 + 12 = 40 + 58 = 26 + 13 = -13 = 36-27= ×3= 15-9 = +49= 44-18+25= 7×9+23= +47= 96-67+34= 4×8+43= ×5= 7×9-23= 55+27-39=-39= 2×6+31= 6×7-24=- 32 -
54-17= 5×6= 18+29= 67+32-84= 9×9-81= 0×7= 54+16= 72-27= 3×5+17= 58-39+27= 29+19= 53-36= 9×8= 66-36+20= 8×7-40= 7×8= 56+32= 90-70= 8×8-4= 5×5+9= 89-19= 5×5= 67+33= 8×7-45= 27+39-48= 46+44= 465×9= 636×7= 827+55= 667×4= 2420+37= 136+46= 564-32= 183×8= 53
-38= 7+36= 81×8= 37-9= 1+76= 24×1= 81×8= 63+36=-30= 66×6= 9×9+10= 25-10= 65-59+64= 9+44= 6×2+28= 32×9= 47+38-63= 87+18= 3×7-1= 47-27= 66+30-5= 9 6+37= 68-3×5= 75×6= 7×5+14= 66+9= 1 8+16+17=- 33 -
-18+49= ×5-17= +58-69= -2×5= +38-63= ×7+41= -27-20= +30-59= ×9-63= 9 7