× = ÷ = ×4÷ ×4= 0.76+0.4=
4-3.3= - = 0.2×20%= 82+8×2=
1+ ÷1+ = 4.5-4.5÷15=
5+5÷10=
1+10%=
1﹣0.625=
43÷10%=
1.6×0.3=
1.25×3×8=
1-0.74= = 0.01÷0.4= 8÷1.5÷2=
0.23= 7÷7%= = =
1.8+2%= 597×8≈
8÷20%= 10÷ = × = ÷8=
3.6× = 3.14×4= ÷ = × ÷ =
①7.9+0.01= ②0× = ③ × = ④4.5÷60%=
⑤ = ⑥ +0.25= ⑦ 546÷89≈ ⑧ 0.13+ 0.022=
3.6-0.4= 24×0.5= 0.6+0.24= + =
×0.27= 1.4÷ = 0.25- = 5-5÷6=
5×6%= 0.8 0.04= 234-98= 6.5-22=
100-0.4= 1÷9= 0.125×80= 0.86+0.4=
+ = - = × = 0.1÷ =
261﹣99= 17÷34= 2.1+0.79= 80×125%=
÷36= 38.38÷38= +×0= ×3÷×3=
-= 4.65+4.4= 4190÷69≈ 0.1÷1%=
2.6×0.6= 1725﹣189= ×= ×÷=
3.7+5.6= 2.4÷0.08= += 8﹣= 0.23=
×6.4= ×= 3÷1%= 4a+a= 6×÷6×=