40.25-19.37-10.63
4.8×100.1=4.8×+4.8×
6.5+a+3.5=+(3.5+)
25×c×32=×( 25×)
600÷x÷y=600÷(×)
17×62+17×37+17=×(++)
-
-
+0.2
①125×8×76
②8.33-2.43-4.57
③6.7+2.63+4.3
④1000÷(41×5)
⑤5824÷8×(85-78)
⑥840÷28+70×18
16.5-4.72-5.28
①32×25
②18.68+(9.14-8.68)
③125×9-125
④225-600÷8-25
⑤75+25×9
⑥150×[(153-32)÷11]
①70.8-1.25-1.75
②(8+0.8)×1.25
③21-(3.41+13.8)
④12.5×5.6×0.8
⑤4.1×2.6+2.6×5.9
①(125+7)×8
②3.27+6.4+2.73+4.6
③5000÷8÷125
④125×89×8
⑤6.45-0.58-1.42
⑥99×39+39
①22.36+25.82+77.64-15.82
②22.8×98+45.6
③4.58×25.1+45.8×6.35+0.458×114
④63÷3.7+11÷3.7
⑤41.2×8.1+11×1.25+53.7×1.9
⑥4.8×7.8+78×0.52
⑦99×86.2+86.2
⑧999.9×0.28-0.6666×370
⑨23.56-(2.017-0.44)+2.017
⑩0.25×0.2×16×1.25
1-0.09= 10+8.6= 23.5-6.6= 1+0.38=
7.8+2= 4.8+0.52= 4.69-(1.69+0.5)= 1-0.27-0.73=
①1.35+5.64+8.65+4.36
②33000÷125÷8
③57×98+57×2
④125×25×32
⑤93×101-93
⑥268-73-27
①1800÷[(15+10)×3]
②15+75÷3
③212×4+188×4
④32×125
⑤19.92+14.4-9.92
⑥34.78-5.43-4.57
①70-29.6-10.4
②283×5+17×5
③73+3.4+27+5.6
④10-2.75-3.25
⑤85×99
⑥25×64×125