妈妈带了25元钱,买了 用了5元,剩下的正好买了2辆 你能算出 价格吗?
计算36-4时,想:先算个位的6-4=,再算30+=.
计算55-30时,想:先算十位的50-30=,再算+=。
35-20=
35-2=
56-30=
56-3=
48-3=
48-30=
= (元)
= (元)
= (元)
+5=26
+4=25
= ()
42+= 42-=
67-43=
46+47=
74-68=
40+9 = 10 +30 = 59 – 7 = 85 – 80 =
60+40 = 26 +10 = 88 – 8 = 50 +26 =
72 + 27 = 38 – 27 = 54 +25 = 73 – 23 =
100 – 30 = 38 – 35 = 60 + 15 = 16 + 40 =
①64-37=
②53+19=
③78-39=
④45+27-36=
⑤100-70-15=
⑥72-(44+16)=
66-3063 7557 76-363 89角8元9角
14-9= 8+8= 30-20= 2+63=
12+7= 18-9= 40+9= 50-10=
69-6= 40+50= 14-4= 76+20=