86+38=
197-79=
1.4+0.55=
2.5×4=
0.1×0.8=
4÷40%=
540÷0.9=
24×0.3=
597×7≈
6287÷9≈
+=
÷=
10-0.76=
2÷10%=
①567-199=
②4.28+6.72=
③0.5×20%=
④
⑤
⑥
⑦
⑧
3.14×9=
8.1÷0.3=
3.14×16=
⑴7.2÷4=
⑵÷12=
⑶75× 10%=
⑷1-1÷8=
⑸
⑹10-0.86=
⑺
⑻
1+25%= 36%÷3= 1÷12.5%= 2.5%+2=
1-50%= × = 0÷8 = 1÷ =
×36=
0.32÷8%=
50×30=
1.6+90%=
8.47-3.47=
3.4×5=
46+25= 840÷60= 0.25×8= 2﹣= 4÷12=
15×20= ÷= 1×= 80×110%= 401÷50≈
4.68﹣4= += 0.8×= ÷= 0.42=
12.6÷3= ÷0.75= 3.8÷10%= 41×348×0= 1÷3×=
2.5×4= ×= ÷= ﹣0.25=
﹣= 1﹣﹣= 1÷20%= 80%×=